Malicious PDF — malware analysis report

Static analysis result for SHA-256 70d9fc4f0477a8c1…

MALICIOUS

PDF

44.6 KB Created: 2020-08-02 02:53:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8dc55ac9aa8251d0d5ae384b59ef7f56 SHA-1: a0fbf46c439611ef8484f990a1e116d2da96aec1 SHA-256: 70d9fc4f0477a8c1ff3a468fc7814bb6ca4951cd9fdb95a850dc4524e2d21fd7
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, many pointing to a redirector infrastructure identified as malicious. The document body, though obfuscated, contains a URL that matches the malicious redirector. This suggests the primary goal is to redirect users to malicious sites, likely for phishing or to download further malware.

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=lil+wayne+fwa+review In PDF document text
    • http://files.growingforwardnow.com/uploads/1/3/1/8/131856276/04bc5f.pdfIn PDF document text
    • http://files.cuestacollegerodeo.com/uploads/1/3/1/4/131483550/f518ae417.pdfIn PDF document text
    • http://files.bodyglow.co.nz/uploads/1/3/2/7/132740536/basifoliw.pdfIn PDF document text
    • http://files.salightgroup.com/uploads/1/3/0/7/130738822/cac1a74441957b.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/1/0430/0649/2823/files/94829736096.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6176/3480/files/barogegofomuzavagobotu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9898/1030/files/meta_and_link_tags.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/0900/4952/files/gewozovizadufakaxaxokez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1152/9114/files/pafaba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0428/1511/files/66375285459.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9029/7507/files/33714601273.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5464/5916/files/vojuguzotabut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9635/8565/files/super_smash_bros_3ds_dlc_codes_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6861/1989/files/59135851721.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4375/7985/files/xorurezeguzizaxado.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7692/7134/files/3989350932.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4921/2311/files/55063138869.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1724/8673/files/lanug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4920/5405/files/saveburiga.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006fb9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FB9 4776 bytes
SHA-256: ef18cda7f6a4fa6a3f7060f7825a7102e955bff0cda8e066002222ac24e3d729
font_01_sfnt_off0000802d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x802D 11148 bytes
SHA-256: 6974e9dee36c4e51d25b72af81da2f8243918585593a0ae5fb17fd76772ca131

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