Malicious PDF — malware analysis report

Static analysis result for SHA-256 05e02163cc1813d7…

MALICIOUS

PDF

46.6 KB Created: 2020-08-04 18:17:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 479baeba1330c5d5b36c81a7b5a46a5b SHA-1: 233d0f55904833a25197729909d98f6796a5011a SHA-256: 05e02163cc1813d768e3842994ee573aca96f39717d57b23554c6e20f59b2713
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links to external resources, many of which point to a redirector infrastructure known for malicious activity. The document body, though heavily obfuscated, contains URLs that are likely part of a link farm designed to attract search engine traffic and lead users to malicious sites. The primary redirector URL is https://ttraff.com/pify?keyword=possessive+adjectives+spanish+quiz+pdf.

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=possessive+adjectives+spanish+quiz+pdf In PDF document text
    • http://files.anitaayersministries.com/uploads/1/3/0/7/130775518/5260826.pdfIn PDF document text
    • http://files.sevensisterscameraclub.co.uk/uploads/1/3/1/4/131406082/10572.pdfIn PDF document text
    • http://files.finefoliage.com.au/uploads/1/3/0/8/130874240/wabifuperozukaw-gapovazejepexu-riwogusunofil-ruroposisimozej.pdfIn PDF document text
    • http://files.rachelgrubbmusic.com/uploads/1/3/2/3/132302940/5652406.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/1/0434/7238/8246/files/mujitepemivemone.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2778/4095/files/84621110270.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3513/1046/files/3499651635.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2429/3796/files/kidokotojaberovunuvafe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2880/6807/files/15903981991.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/2784/6552/files/33042516509.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6192/7318/files/22215668824.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1175/1588/files/92106027151.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0804/8808/files/8064955112.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 8

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_off00006dae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DAE 5428 bytes
SHA-256: 6d207d352128b144366b1ab97bbc3177cf3f1886c44f10d32fcda853eac1e0dc
font_01_sfnt_off00008042.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8042 14612 bytes
SHA-256: 78011f3b91a9f00d12d38b2d6a2ac524d657df9fdca5a4d534507a4a59ca4566

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