Malicious PDF — malware analysis report

Static analysis result for SHA-256 85a60af6a5f31270…

MALICIOUS

PDF

46.8 KB Created: 2020-08-13 23:12:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4f8c4b78f1ec0cbbf800e25bee0d75bc SHA-1: 2702aec81bf59aef9cfe1f93e5e43bfecbbd5aeb SHA-256: 85a60af6a5f3127033d075b2c7c5d71f96532df31e44d857fba50424b5cf61a6
202 Risk Score

Malware Insights

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

The PDF contains multiple links, including one to a redirector at 'ttraff.com' with a 'windows 10 latest iso' keyword, suggesting a phishing or scam lure. It also includes a large number of links to PDFs hosted on Shopify, potentially part of a link farm for SEO manipulation or to obscure the malicious destination. The ML classifier strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=windows+10+latest+iso In PDF document text
    • http://files.rebalancing-edmonton.com/uploads/1/3/2/7/132710759/fovivun_xivap_gasafaf_dutali.pdfIn PDF document text
    • http://files.homesteadperennials.com/uploads/1/3/2/7/132740467/fiduxutodorabex.pdfIn PDF document text
    • http://bowizisib.assetprotectwa.com.au/uploads/1/3/0/8/130874601/43c16997b9.pdfIn PDF document text
    • http://files.glammoms.us/uploads/1/3/1/4/131438741/devuku.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/1/0427/4946/0636/files/43859460178.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1943/6185/files/carnatic_music_lessons_in_malayalam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/63912397784.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7142/2102/files/89879641126.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6785/9359/files/doxipogobuv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4470/9276/files/vezupevatomumo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7342/8888/files/ziriwovabovaduvelipilux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7188/9815/files/nusaboxi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xasaxikopakepiditewevumub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6375/4404/files/lipifajutikibose.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_off000076b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76B9 5020 bytes
SHA-256: 8b91285974b863c3c62944406447808ade3f52de9140beb2ca480a6dca596a39
font_01_sfnt_off000087f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x87F6 11416 bytes
SHA-256: b478192d3849b3cc58003b438b446a59af06f4d2f436e752045364a5e88613c5

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