Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe0c5d71602d37c6…

MALICIOUS

PDF

43.5 KB Created: 2020-08-05 23:06:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0572354e940acbd5da32af13bf99a20d SHA-1: 658fdc5bde679da75f4050278803eeb2f98224ad SHA-256: fe0c5d71602d37c64898b627ca03c52289246a57c0e8e683cd546da2027a7812
194 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many pointing to Shopify domains, suggesting an SEO link farm. One of these links, 'https://ttraff.ru/pify?keyword=solar+battery+charge+controller+circuit+diagram+pdf', is identified as a malicious redirector. The document body is heavily obfuscated but contains this URL, indicating the primary intent is to redirect users to malicious infrastructure.

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=solar+battery+charge+controller+circuit+diagram+pdf In PDF document text
    • http://files.burnoutsolutions.co/uploads/1/3/1/3/131380666/wodujuzuke.pdfIn PDF document text
    • http://files.bybliss.com/uploads/1/3/2/7/132712080/3493105.pdfIn PDF document text
    • http://files.seankalleyart.com/uploads/1/3/1/6/131606397/4312794.pdfIn PDF document text
    • http://files.hillarytrailadventures.co.nz/uploads/1/3/1/4/131483128/f2c45.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/1/0432/1673/2320/files/jexevalusavesiduge.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5515/3303/files/wopajifeb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9925/1093/files/41345514240.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/23631451812.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5072/9634/files/57768108952.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0446/7916/8153/files/canon_in_d_ukulele.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1228/2789/files/81476021111.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0337/8839/files/69529869297.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/99231100330.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0862/1719/files/dadegusemo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4752/6305/files/85246283029.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1474/8322/files/55991573381.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 4

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_off00006228.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6228 5736 bytes
SHA-256: ef19d625fa865636e22bd9dc2120637aad8a303b5a22b248ba4a89b739d28ff0
font_01_sfnt_off00007585.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7585 1800 bytes
SHA-256: a36eee06fef6ce219692c4ec918276ac99413e4fd1e3666e4031624f9289d620
font_02_sfnt_off00007e12.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7E12 10040 bytes
SHA-256: dd1328eb7bf8d27af14a14d221475f1a47492641b4ddadb95042d926952287a6

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