Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd989346ec5f7f85…

MALICIOUS

PDF

39.4 KB Created: 2020-08-28 04:03:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9a93a07234922031e15a6b1ef0b6d7d5 SHA-1: 3efb4c89b078ff70f06b7f37fa81176f6e35fb23 SHA-256: fd989346ec5f7f8585d3cc542060e625831a5b5fcb146498480eea8a7ea2b75c
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links, a common tactic for SEO poisoning and redirecting users to malicious sites. One of the primary links, 'https://ttraff.ru/pify?keyword=consoling+the+heart+of+jesus+prayer+companion', is flagged as a malicious redirector. The document body, though heavily obfuscated, contains this URL, suggesting it's the intended lure. The ML classifier also strongly indicated maliciousness.

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=consoling+the+heart+of+jesus+prayer+companion In PDF document text
    • http://files.topcamfilmservices.com/uploads/1/3/1/3/131380146/f8f7d7ec7cdb55.pdfIn PDF document text
    • http://files.panteeny-fertilizers.com/uploads/1/3/1/4/131437725/53e8aefd71.pdfIn PDF document text
    • http://files.jbhealth.co.uk/uploads/1/3/0/7/130739183/4307364.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/1/0448/0460/4066/files/dyson_dc50_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7921/8840/files/h_love_k_whatsapp_status.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6367/0944/files/case_study_questions_and_answers_in_management.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5753/7439/files/el_capitalismo_consciente.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0695/0550/files/forex_hedging_strategy.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/2986/2312/files/88659862276.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4460/0999/files/quarters_korean_bbq.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8513/5014/files/rajesitatazaxirujix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4929/5770/files/77488007756.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3393/6547/files/61825935786.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2821/0086/files/descargar_anonytun_pro_apk_2018.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005a41.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A41 5512 bytes
SHA-256: 3cf36ff6fa496e22eaef9db240172624c40a1978fba6e4a4920ba5b6b026abc6
font_01_sfnt_off00006ce6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CE6 10364 bytes
SHA-256: 2fe5e50ad62431e50da18cb506b5436e969fe2f5cdb0dc5608d028413e5315a8

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