Malicious PDF — malware analysis report

Static analysis result for SHA-256 480a381e339962c5…

MALICIOUS

PDF

44.4 KB Created: 2020-09-17 05:30:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: cccda92a1c2a0eefb40ef065f34fbf3f SHA-1: c392f260f2cae37df68bbb40a27d5d028a5643f3 SHA-256: 480a381e339962c543d9a4962eddeeed7185b30104197978085b7c6a36578a42
184 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link to a redirector URL, which is a common technique for SEO poisoning and phishing attacks. The embedded document body text, though heavily obfuscated, contains keywords related to a product review, suggesting a lure. The heuristic firings confirm the presence of malicious redirector links and a link farm, indicating a deliberate effort to distribute malicious content or traffic. No scripts were extracted from this sample.

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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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.me/pify?keyword=gnc+wheybolic+extreme+60+ripped+review In PDF document text
    • http://files.mission-ready.org/uploads/1/3/2/6/132682607/872703.pdfIn PDF document text
    • http://subajin.secahr.com/uploads/1/3/0/9/130969573/7f99a89e36.pdfIn PDF document text
    • http://files.seattlefieldhockeysocial.com/uploads/1/3/0/7/130775980/nisix.pdfIn PDF document text
    • http://bepinera.ibewlocal176.org/uploads/1/3/0/7/130738971/tapanurepobet.pdfIn PDF document text
    • http://xogoxe.theoldsilkfarm.com/uploads/1/3/1/1/131164077/ripigedajilusexinami.pdfIn PDF document text
    • http://fugalurut.bugsweedsmore.com/uploads/1/3/0/7/130775195/gevoge_savovotagapox_fevaperaxi_pepudazeji.pdfIn PDF document text
    • http://sawuw.wittmeyerfamily.com/uploads/1/3/1/4/131437046/vezilowisowo-vajamawoxe.pdfIn PDF document text
    • http://gazisab.halfpricefurnitureandmattress.com/uploads/1/3/1/3/131383329/471ed679.pdfIn PDF document text
    • http://nawuz.redwingfirstcov.org/uploads/1/3/2/3/132303195/4dd9d3.pdfIn PDF document text
    • http://files.pacodelgado.co.uk/uploads/1/3/1/3/131380730/3266459.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/1/0434/5046/6464/files/caracteristicas_del_enlace_metalico.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4444/5092/files/einfache_lineare_gleichungen_aufgaben.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5365/9798/files/61865571851.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0458/5432/6937/files/android_os_for_tablets.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 3

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_off00006c51.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C51 5716 bytes
SHA-256: 78067115020782e2aa1a8db8844a77be08995d1d0ffdd4e28e30fb849117f616
font_01_sfnt_off00007fb4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7FB4 10816 bytes
SHA-256: 06885069030f511ccb6e7ef5f63487ffb5936d8af32f913ca70671f50882f82a

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