Malicious PDF — malware analysis report

Static analysis result for SHA-256 e7c1ff914268d0c2…

MALICIOUS

PDF

45.7 KB Created: 2020-08-08 08:54:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3718e0ef3e8bbabe6969fabd816ede51 SHA-1: 0127de0a46a61d7537a891ebbd8ca5a0f403781b SHA-256: e7c1ff914268d0c2410ace25c052dcb86a5c1891b3ba28c394d4621b4bdf9acb
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, many of which point to external resources. One critical heuristic identified a link to a known malicious redirector, 'https://ttraff.cc/pify?keyword=ainsi+parlait+zarathoustra+strauss+pdf'. The presence of a link farm and the redirection to a malicious URL strongly suggest a phishing or malware distribution attempt. The ML classifier also flagged this PDF with high confidence.

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.cc/pify?keyword=ainsi+parlait+zarathoustra+strauss+pdf In PDF document text
    • http://files.retirementtimeline.com/uploads/1/3/1/3/131398385/d3035473.pdfIn PDF document text
    • http://files.noragoetz.com/uploads/1/3/1/1/131164425/gogafojamopalir.pdfIn PDF document text
    • http://files.deqtech.com/uploads/1/3/1/3/131382239/vikajanoreri.pdfIn PDF document text
    • http://nekax.thucsnet.org/uploads/1/3/0/7/130775169/kokudasu-lazobo-wetir.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/1/0432/3495/1331/files/our_god_is_an_awesome_god_lyrics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8457/1031/files/71977382298.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3054/3512/files/48712164927.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0509/9675/files/faxerujapi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3407/4523/files/8238250116.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/texigusowemojegovivek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6012/4061/files/weragijiwofepusoz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6956/3290/files/zolebadoxomelot.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3141/3404/files/jadabanovogodefogow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9534/9661/files/absolute_balderdash_cards.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3046/3142/files/chicago_quick_traffic.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0222/3013/files/fawidunagijiwix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1637/2892/files/rojirudesidufimomemum.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_off00006d9c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D9C 5168 bytes
SHA-256: e4fc2dddfa56620b6a59f6583bd53b9fbc001558e0390765a084987a720a0635
font_01_sfnt_off00007f32.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F32 12772 bytes
SHA-256: 603c0bb53d1d736b227cd80dd7a3397605062b0ce20599d86a308ceba015eb9b

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