Malicious PDF — malware analysis report

Static analysis result for SHA-256 80c95bbb917fb7f0…

MALICIOUS

PDF

51.0 KB Created: 2020-08-10 09:57:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8a454604ab56fa4b89609018d20326a5 SHA-1: d241b76a8c7afbdde2498392615f6502e6d1815e SHA-256: 80c95bbb917fb7f0b363f0f857f25242824820904b9945cf73a7016ca6305be1
202 Risk Score

Malware Insights

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

The PDF contains multiple heuristics indicating malicious redirector links and a link farm, suggesting a phishing or scam attempt. The document body explicitly contains a URL that leads to a redirector, which is likely intended to trick users into downloading further malicious content or visiting a malicious site. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 6

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=manual+de+psicomagia+alejandro+jodorowsky+pdf+gratis In PDF document text
    • http://kovepow.wedorecyclinginsurance.com/uploads/1/3/0/9/130969060/f7223a597345ec.pdfIn PDF document text
    • http://zivasu.mrsreyesclass.com/uploads/1/3/1/3/131380600/ef283.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/1/0437/6068/1109/files/fesatixeg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/71340125447.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7556/6749/files/exercice_anglais_present_simple_et_be_ing.pdfIn PDF document text
    • http://jijebu.zli.people.ua.edu/uploads/1/3/0/8/130814297/mojilo-wusos-rurota.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9820/1502/files/35687958016.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4671/5040/files/revit_architecture_2016_tutorial.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/logopazunu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1463/6198/files/sadulikininigeraji.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4560/0936/files/54633006026.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8988/7399/files/99285464416.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9327/0429/files/14434492505.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6581/9814/files/21542385570.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9254/8515/files/vubavigawogulowaniduxip.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_off00005721.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5721 6476 bytes
SHA-256: 6b33ff188d28154d6dbdbf812d80b7b44c2f9bc5adfe8bd5e5c9793c1c79fec7
font_01_sfnt_off00006729.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6729 5816 bytes
SHA-256: 054b57f5bfd0193d40e7949ba50c8978a33cde8541025e689ab1ca906b5e2173
font_02_sfnt_off00007b03.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B03 2244 bytes
SHA-256: 2f27395f53361c97c1c173d19a1db90a1789530e1fe24679ef7de7b34509e99d
font_03_sfnt_off00008539.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8539 10408 bytes
SHA-256: 5a9e10c245f731930aca22bae29fd3811c01a66155648c8621ef14db8860efcf
font_04_sfnt_off0000a8fe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA8FE 16036 bytes
SHA-256: 149cab45689013e99d1aa520d2e5234663aa5d8577b6aae5e423b5d60aeda4c1

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