Malicious PDF — malware analysis report

Static analysis result for SHA-256 112d1c1250171af1…

MALICIOUS

PDF

54.3 KB Created: 2020-08-05 17:58:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4f078893d5ffd289673ed6173f0a97f4 SHA-1: 92c495c14955c04a4c012edead63e0dc519a5cd4 SHA-256: 112d1c1250171af1a374bb68d3a137bd3243d71567de241d16066ef871f4bd60
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links to an SEO redirector, specifically disguised as a 'paleo diet tamil book pdf free download' lure. This indicates a phishing or malware distribution attempt, leveraging a link farm to obscure the ultimate destination. The ML classifier also strongly flagged this PDF as malicious.

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=paleo+diet+tamil+book+pdf+free+download In PDF document text
    • http://files.kinderdancebrazoscounty.com/uploads/1/3/1/0/131070713/numatabatenedapus.pdfIn PDF document text
    • http://files.harmonyorganics.net/uploads/1/3/0/8/130874265/jupokulowizoxefebom.pdfIn PDF document text
    • http://files.latinahilara.com/uploads/1/3/1/1/131163969/6585841.pdfIn PDF document text
    • http://bemosedej.thelastminis.com/uploads/1/3/0/7/130740178/7276244.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2247/5687/files/ditavedip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3404/8669/files/43115275247.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3290/3833/files/sexulemezagijeparetorejuk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1116/0739/files/10995445374.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9935/7338/files/alter_ego_a2_gratuit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8378/3575/files/38332326159.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1022/0447/files/ween_the_pod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0978/5499/files/84712560192.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1613/4551/files/29029040414.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0904/7717/files/pogoxiwepojulotoluluker.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6464/6037/files/kuletiwugowizisatukuf.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000063b0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63B0 5096 bytes
SHA-256: 0f0c7b24ea571fcc5465cbdb421a744badf11e8779917fcc160583cc5feb2072
font_01_sfnt_off000074f1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74F1 16316 bytes
SHA-256: ca9ba0eb467daf23f359140050e73912d2dacb9c6fba6fa6963802aeea865252
font_02_sfnt_off00009a05.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9A05 9940 bytes
SHA-256: 32da5e7775d3f2527b5ab11bfc0930bc57a2d26157bce84c1c01c33794d59af1
font_03_sfnt_off0000bbe9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBBE9 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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