Malicious PDF — malware analysis report

Static analysis result for SHA-256 7312e5ae9376d263…

MALICIOUS

PDF

49.0 KB Created: 2020-08-20 09:58:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 70911350eb838703c01ecb12b1e4f41e SHA-1: 296fc18a13e8c327cf6bf4269296e33e04a31ff3 SHA-256: 7312e5ae9376d263366f1b36ed278813f4e8de7584ee4008a7f0043869aeb7c6
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to a redirector service. The primary redirector URL, 'https://ttraff.cc/pify?keyword=android+auto+honda+accord', is flagged as malicious and used in an SEO-based link farm lure. This suggests the document is designed to drive traffic to malicious sites under the guise of offering free downloads.

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.cc/pify?keyword=android+auto+honda+accord In PDF document text
    • http://paxafese.peopleripple.com/uploads/1/3/1/8/131857315/betoko.pdfIn PDF document text
    • http://nulobapu.theroadrises.com/uploads/1/3/1/4/131483036/sapinubaper.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/1/0431/0840/1316/files/jofadasovisabex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7519/0430/files/business_intelligence_for_dummies_swain_scheps_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8954/2809/files/pepim.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5346/6271/files/craftsman_chainsaw_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zijuk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1835/3821/files/wheel_of_monotony.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1712/6563/files/diwen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4886/9786/files/galivaxajufugunudimur.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5529/2317/files/68604849220.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6302/5567/files/33833647274.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2408/9242/files/wugokidewajizixu.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 2

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_off00007c88.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C88 4804 bytes
SHA-256: 9383de52a40f158d7383ef0e27a3dcb7a1c457989114f8f52da7177360662531
font_01_sfnt_off00008ccd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8CCD 13432 bytes
SHA-256: 7e60d0eb2d0f4047388e58067456ca21b3938dcbaa255a5e30b4cffddb00bf0a

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