Malicious PDF — malware analysis report

Static analysis result for SHA-256 5bc0ef654850cde5…

MALICIOUS

PDF

59.3 KB Created: 2020-08-26 05:19:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: eaad215512fcddcbaa301a6c5d5f394e SHA-1: 5240552a8bc747a701a31364d871fb805815d3ad SHA-256: 5bc0ef654850cde562e380657ed7e938c13f049972fd40ef680dd99b3031147e
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains multiple embedded links, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=sustantivo+colectivo+de+ganso' which is also flagged as a malicious redirector. This suggests the document's primary purpose is to redirect users to malicious infrastructure, likely for phishing or malware delivery. No scripts were extracted, but the presence of numerous links points to a link farm or redirection attack.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.cc/pify?keyword=sustantivo+colectivo+de+ganso In PDF document text
    • http://files.jlsexteriorcleaning.com/uploads/1/3/1/4/131437246/movefafikuriniralumu.pdfIn PDF document text
    • http://sibeg.ridgeandvalleyreptiles.com/uploads/1/3/1/0/131070588/9718205.pdfIn PDF document text
    • http://files.silvertonffa.com/uploads/1/3/1/3/131383747/geruno_penuvok.pdfIn PDF document text
    • http://vilage.trinityjamestown.com/uploads/1/3/0/9/130969754/mesigodurasod.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1337/3084/files/75539591931.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6215/6702/files/taittiriya_aranyaka_kannada.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7981/1750/files/sasixem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4485/5195/files/32517299147.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1420/1250/files/shazam_family_transformation_scene.pdfIn PDF document text
    • http://ximufox.cdlynn.people.ua.edu/uploads/1/3/1/8/131856698/vewevi_dozimovok_nopapesada_jukobopigezu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9112/2584/files/19514709145.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7851/6885/files/fomadonibulazozegetibe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9070/5574/files/jijejeg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6821/9799/files/92160703667.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1428/9568/files/cardboard_gladiator_helmet_template.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9105/1161/files/49467104278.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7728/0671/files/79189603032.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • https://savannah.gnu.org/projects/freefont/In PDF document text
    • http://www.gnu.org/licenses/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000067ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x67AE 7216 bytes
SHA-256: 60c2d839b4c3494601f6f477ff3657d1adc27fe15764339066e4fc25913c509e
font_01_sfnt_off000079c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79C0 5172 bytes
SHA-256: 2f0a99237a513dc9924cb125cd099e2f533089997208afe4d1c4b3a9f28ea6e2
font_02_sfnt_off00008b67.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B67 16944 bytes
SHA-256: c33067f27de1f1d222da4c893d64afda9656cea70a10d4724a09e5e7ecf0a5dc
font_03_sfnt_off0000bd4b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBD4B 16288 bytes
SHA-256: 02a927cd8eb3ab3be880a1c276ebd9159bcd7601e266afbdbbec3fe90271cd3f
font_04_sfnt_off0000d343.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD343 2548 bytes
SHA-256: 6383a4122c1cf534e085e8261174d56fa69b6a1832b2acc45af6a739086e5bcf

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