Malicious PDF — malware analysis report

Static analysis result for SHA-256 597276e549535201…

MALICIOUS

PDF

39.7 KB Created: 2020-08-14 17:23:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6265ae7999f1141a280e0257294eca4e SHA-1: f5e9191a503cabfa2c10a12b96ccfeeae0e44f5e SHA-256: 597276e5495352014054fed567c88f6ca483d376f8f38736aabaaf1b9690000b
214 Risk Score

Malware Insights

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

The PDF contains a link farm and a critical redirector link to ttraff.com, indicating a malicious redirection attempt. The document body, though heavily obfuscated, contains text related to 'Rockwool ablative coating data sheet' and includes the malicious URL, suggesting a lure. The presence of numerous external PDF links, many hosted on Shopify, further supports the link farm heuristic. The SE_CALLBACK_LURE heuristic suggests a potential phishing or scam pretext.

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) 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.com/pify?keyword=rockwool+ablative+coating+data+sheet In PDF document text
    • http://files.mindysmagicalbling.shop/uploads/1/3/0/8/130814124/140e7b43.pdfIn PDF document text
    • http://files.keribethjones.com/uploads/1/3/0/7/130739802/bugokoxutaderixat.pdfIn PDF document text
    • https://www.builderdepot.co.uk/rockwool-ablatiIn 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/1/0435/8966/4926/files/si_stze_franzsisch_bungen_zum_ausdrucken.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5732/3933/files/20864021584.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0848/2710/files/kekabaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2113/1161/files/gta_vice_city_cheats_file_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/7880/9768/files/gta_v_lspdfr_callout_manager.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2084/5210/files/24460027884.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1787/1255/files/fikofiwudaraganibodab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7727/1703/files/58128647564.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6387/8566/files/duwisibiwowenago.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7284/0090/files/dowodumurokavafifiludumen.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 2

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_off00005cc5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5CC5 5468 bytes
SHA-256: e1c657e83a70f99fdedb6b13f80ee3731e11e898cce9685d6816c0c0018cf5e1
font_01_sfnt_off00006f6f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F6F 10088 bytes
SHA-256: 7644173aca24e9405b3487b46ad3f7a883d206b45eb788ebd93119799ea19540

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