Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae9e4252777e814e…

MALICIOUS

PDF

46.2 KB Created: 2020-08-13 21:47:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 295bb58827f76b0e55b06c244d3fa52a SHA-1: 01fb26fd12a9661bca8cc3f62ae0b1ca97759256 SHA-256: ae9e4252777e814ec24a9489ce3f844fbc66dd6110919e40d990c994f42770d0
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of the primary links directs to a known malicious redirector at 'ttraff.ru'. This suggests the document is designed to funnel users to malicious sites, likely for phishing or malware distribution. The ML classifier strongly supports the malicious nature of this 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.ru/pify?keyword=platform+specific+react+native In PDF document text
    • http://files.maryrosemedium.com/uploads/1/3/2/8/132814250/kufutiped.pdfIn PDF document text
    • http://files.alaskadalmatians.net/uploads/1/3/1/3/131380345/ac7ad976cd90.pdfIn PDF document text
    • http://balujexuv.captureamoment.net/uploads/1/3/1/8/131858661/acdbc4248e5.pdfIn PDF document text
    • http://kozile.lucysmalley.com/uploads/1/3/2/3/132303382/3993684.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3116/7137/files/7867839905.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9906/2421/files/zatudopixixeba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7791/7085/files/brand_ladder.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6501/5446/files/fexina.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5412/1635/files/excel_2020_training.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2694/0067/files/del_anticapitalismo_al_neoliberalismo_en_chile.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3764/6245/files/xanirazijub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0165/1101/files/jaxizaduzuromigir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7938/5756/files/steam_keys_reddit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5074/5512/files/53571698948.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2091/8679/files/nufumezumumasutalegava.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0250/9987/files/lolozanugubim.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 5

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000068ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x68AC 5008 bytes
SHA-256: fdada1fbed84af2de8b767804331ea9b1b2362d339ecaa4b4368d742d48f8d75
font_01_sfnt_off00007997.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7997 10620 bytes
SHA-256: 916cbd0a0c0752547e0dddc0581f597d66b939b855b19f50221c08333d0b6036
font_02_sfnt_off00009de2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9DE2 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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