Malicious PDF — malware analysis report

Static analysis result for SHA-256 443e2c9e5629c493…

MALICIOUS

PDF

47.0 KB Created: 2020-08-09 17:56:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 01ca34000cd2f089acd8f9ca1d47024a SHA-1: 3ba4f56afb3b8326858072a69e5c52e2fe64fcc1 SHA-256: 443e2c9e5629c4933bbcc5b9d61d4045c57f92c10a60dc830679e89d3a06594e
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=baby+girl+names+in+kannada+pdf'. This URL is likely part of a phishing or scam campaign designed to redirect users to malicious content. The document body also contains this URL and numerous other links to PDFs hosted on Shopify, suggesting a link farm or SEO poisoning tactic to attract victims. The ML classifier also strongly flagged this PDF as malicious.

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=baby+girl+names+in+kannada+pdf In PDF document text
    • http://files.burlinistudio.com/uploads/1/3/0/7/130775215/garepagipimof.pdfIn PDF document text
    • http://files.nickburnettphd.com/uploads/1/3/1/3/131382274/2357108.pdfIn PDF document text
    • http://files.mail.thespiritbutterfly.com/uploads/1/3/1/0/131071035/nuref.pdfIn PDF document text
    • http://files.theparksphysie.com/uploads/1/3/0/9/130968992/zedori-tukodekajuze-xebufore.pdfIn PDF document text
    • http://fedorahosted.org/lohitIn 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/1/0450/1697/3476/files/robotics_and_artificial_intelligence.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9925/1093/files/filuv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6483/6764/files/depavosesexazuzos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1747/0101/files/abdomen_and_pelvis_anatomy.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5802/6903/files/ladotoso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1748/4957/files/adn_polymerase.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1594/6911/files/66546958769.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8687/9647/files/duleb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dagezaluvonanapukinuwit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3806/5319/files/cambridge_business_vocabulary_in_use_advanced.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00007416.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x7416 4452 bytes
SHA-256: 24727a3c12daa98b2f133122cbe3fcb95b900f3907e1487a52b839cf7b7fe1fe
font_00_sfnt_off000060b5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60B5 5716 bytes
SHA-256: ee7ad67951424afeb815f1a3a32daf92b95937c280b0b8a34cb84dffac1cd26b
font_02_sfnt_off00008422.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8422 13816 bytes
SHA-256: 828a410236b0a49ca3310e79ff44db27426e6aedf36ca60c332fb6bf55d6abe5

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