Malicious PDF — malware analysis report

Static analysis result for SHA-256 818bb044abe95b0c…

MALICIOUS

PDF

44.4 KB Created: 2020-08-24 08:15:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e5d3845dd5d8241230c31a4e27229c5f SHA-1: 19487775eabdb8310c8cb488fdee506c2b779400 SHA-256: 818bb044abe95b0c3a192372af01db2026d79245e789c702e904a52af3ff08a7
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, many of which point to a redirector service designed for SEO spam and phishing. The primary redirector URL, 'https://ttraff.com/pify?keyword=convertir+de+pdf+a+word+en+mac', is flagged as malicious and likely leads to a phishing page. The document body itself contains obfuscated text and URLs, further supporting the malicious intent of redirecting users to potentially harmful content.

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.com/pify?keyword=convertir+de+pdf+a+word+en+mac In PDF document text
    • http://files.paintedskyalpacafarm.com/uploads/1/3/1/6/131606965/woxodojuneb_tasaxenarom_merex_rifarobulaz.pdfIn PDF document text
    • http://files.reconmetal.com/uploads/1/3/1/4/131406082/zovuderas_xowimal_laxetenedavav.pdfIn PDF document text
    • http://pipoda.yogawithanniebarrett.com/uploads/1/3/1/0/131070197/jarusalaxovoseg_wejobege.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7289/6672/files/92657109886.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6547/3184/files/too_legit_to_quit_lyrics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7223/9269/files/angara_movie_all_song.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1030/7749/files/free_mcx_technical_analysis_software.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1987/9068/files/mufaxenufomelapevi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6745/7188/files/29207732827.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7922/1927/files/13836452057.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0452/5296/8609/files/declare_variable_in_template_angular_7.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9627/6128/files/95832611912.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9480/2581/files/vusopizowetexuxokosazose.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8857/5638/files/dejafomowoledokeperad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0445/6048/2463/files/an_introduction_to_cardiovascular_physiology_5e.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6556/3549/files/45535349894.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
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 7

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006bad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BAD 5148 bytes
SHA-256: 035d11c1296dee1100f59f6b1e6cb5a1c65dbf3cbfdfc9d9aabd2ccf181f8810
font_01_sfnt_off00007d2d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D2D 12000 bytes
SHA-256: 25b82d30e361b230f7fcdcf9fd028c279828ab5432b4015144d8dee36518e7e7

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