Malicious PDF — malware analysis report

Static analysis result for SHA-256 d70958bc8f825a90…

MALICIOUS

PDF

36.5 KB Created: 2020-08-25 13:25:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 1e6071effd31a0cabec1d1a1aec4d769 SHA-1: bae12531041793e9ecc889aa326bff27e44cc28f SHA-256: d70958bc8f825a9092f216047c478e92c8877aacc97ab8b3161d61533b1975c6
194 Risk Score

Malware Insights

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

The PDF contains a significant number of embedded links, with the primary malicious redirector identified as ttraff.ru. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external links, many hosted on Shopify, suggesting an attempt to manipulate search engine results or lure users to malicious sites. The ML classifier strongly supports the malicious nature of this PDF.

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=backbeat+fit+505+manual In PDF document text
    • http://regamevi.ellyx.studio/uploads/1/3/1/6/131606727/pugasosojir_zopologovob_pesivugowaru.pdfIn PDF document text
    • http://files.bigbunsandmore.com/uploads/1/3/1/4/131482950/5040354.pdfIn PDF document text
    • http://files.deluxepropertygroup.co.nz/uploads/1/3/1/4/131453221/3162493.pdfIn PDF document text
    • http://files.team5950.org/uploads/1/3/0/9/130969291/8506421.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/1/0431/7003/7911/files/1191796217.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6287/8618/files/74975752344.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nudukesobiji.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0462/0058/6398/files/sadezeluriwojawovag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0461/0981/9043/files/artisan_mousepad_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6746/4093/files/62147543826.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7757/4562/files/32578640300.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4103/0293/files/vorabir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3292/6615/files/bookworm_msn_com.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5109/0077/files/15880577142.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6150/8256/files/72340418172.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9384/3358/files/bigo_live_app_store.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 3

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_off00004bd3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4BD3 5272 bytes
SHA-256: d7d0994761c7b47a86fc802328f48d8f01f6fe99b58fd7cc78c3760af11537f0
font_01_sfnt_off00005dbe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5DBE 11748 bytes
SHA-256: 8d4c8033f1709ac34d0b147a12d0971e415680f9d1131f5965ec9ddda3289604

Open this report in the interactive analyzer, or submit your own file for analysis.