Malicious PDF — malware analysis report

Static analysis result for SHA-256 b260b697a3722974…

MALICIOUS

PDF

41.3 KB Created: 2020-08-02 00:59:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a73bace593caca76dc73962752d1ac2e SHA-1: d00bac5a0f21877cf45f3c5ae9a57e2ecb314ecd SHA-256: b260b697a37229742f5ae6ae2c371efd5b99e418aab5fad71d6a5580b74eea50
214 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a link farm and a malicious redirector, indicating an attempt to lead the user to a harmful site. The document body, though obfuscated, contains text related to a construction guide and the malicious URL, suggesting a lure for a phishing or scam campaign. The presence of numerous external PDF links, many hosted on Shopify, points to a link farm strategy to potentially improve SEO or distribute malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • 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=1-+99+construction+guide+osrs In PDF document text
    • http://files.blueeyedqtpies.com/uploads/1/3/1/3/131379894/ferotedibe.pdfIn PDF document text
    • http://files.rearwindowphotography.com/uploads/1/3/1/4/131438018/feb566cacf4.pdfIn PDF document text
    • http://files.finddallasfortworthapartments.com/uploads/1/3/0/7/130775728/5959823.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/1/0433/2696/3865/files/the_name_game_song.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/89120683065.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2885/7503/files/78771840709.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6344/2598/files/42457969782.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2213/9041/files/tanusamota.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2449/8343/files/nerofonijilezutudezojak.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5272/8474/files/73070828654.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9801/3857/files/70537307492.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8801/8598/files/zefuridebumux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0543/6326/files/70453651822.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7650/9080/files/kiwaduwupuzataxinakaz.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 6

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_off00006422.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6422 5008 bytes
SHA-256: 9302af5913574aea1b33df8fc22622d65dfb8936d112117bb8b0bb6f9b68df05
font_01_sfnt_off00007544.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7544 10276 bytes
SHA-256: ad2f133279a7f175bf08dee254524cb0ca573c5ad3a6fcb013830663cafbeece

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