Malicious PDF — malware analysis report

Static analysis result for SHA-256 abc827711879ff4c…

MALICIOUS

PDF

43.4 KB Created: 2020-07-31 07:36:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5314e8cf084f602e6330698a7ad2fd68 SHA-1: 2f694875ac62819afc33090df12525cdfc468ce4 SHA-256: abc827711879ff4c88e939a000f9fe8959583e25c186052586811c965a494a9f
202 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with a critical heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK pointing to 'ttraff.cc'. Another critical heuristic, PDF_SEO_LINK_FARM, indicates a large number of outbound PDF links, with the first being 'cdn.shopify.com/s/files/1/0430/2936/4889/files/97867595100.pdf'. A low-severity heuristic for SE_DOWNLOAD_BUTTON suggests a visual download lure. The document body is heavily obfuscated, but the presence of these links and heuristics strongly suggests a phishing or redirection attempt.

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=cara+file+pdf+jadi+satu In PDF document text
    • http://files.500paba.com/uploads/1/3/2/6/132695244/1655897.pdfIn PDF document text
    • http://files.veggieinternational.com/uploads/1/3/1/4/131438316/xuveja.pdfIn PDF document text
    • http://files.paulstroble.com/uploads/1/3/0/7/130776399/daladakadotolutota.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/1/0430/2936/4889/files/97867595100.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8729/7696/files/36801328566.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5393/8853/files/sazevagatubozixos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5107/4214/files/tupawupabavixafiwabudiruk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9229/6358/files/nanatixome.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9599/9129/files/biseviwa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2086/0067/files/jorubuku.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2240/1192/files/kefowerugisotaraxeraguki.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0727/0312/files/silegujusoxas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4104/6171/files/gezasixof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3494/3388/files/74970818468.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9502/4033/files/ruvoduganetigowog.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_off00006e33.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E33 4800 bytes
SHA-256: 546c3b2aeae1a2d6d334a6cc55e6a20560213a6c96d55d2c19376bc90462a29e
font_01_sfnt_off00007e9c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7E9C 10152 bytes
SHA-256: fcdf8538e9ca7d008de3452bc6350e06e842a346e8bf494128d85b16ad402838

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