Malicious PDF — malware analysis report

Static analysis result for SHA-256 327e02d6d8ed4c5c…

MALICIOUS

PDF

38.8 KB Created: 2020-08-20 16:06:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f02aaaa236a74b745acb0647171c6235 SHA-1: af1cd1102a99a3ac60b185878f3f87e38041ab9e SHA-256: 327e02d6d8ed4c5c231397b74bf8504fabf4ce6908b4664ffff3b0a5f4131e6e
194 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with one pointing to a known malicious redirector (ttraff.cc). This redirector likely forwards the user to a malicious site. The presence of a link farm and the ML classifier flagging the PDF as malicious further support this assessment. The document body contains garbled text but includes the same redirector URL, suggesting it's intentionally placed.

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=afiador+amolador+de+facas+manual In PDF document text
    • http://files.syedarahman.com/uploads/1/3/1/4/131408798/7369853.pdfIn PDF document text
    • http://bobatevaw.stevewelchcreative.com/uploads/1/3/2/6/132680835/kizafubefu.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/1/0428/9154/2681/files/telepizope.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3485/4051/files/8661895886.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7132/3808/files/marriage_biodata_format_in_tamil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9861/0591/files/ruduboxinan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7716/3416/files/fijegezuvajuvi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8494/7357/files/alesis_performance_pad_olx.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2190/9662/files/51063525743.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5754/4342/files/5555714999.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3470/6069/files/mujelefo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1907/4712/files/back_propagation_artificial_neural_network.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4647/8759/files/36545171919.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6052/7265/files/jaweralonolaxurikeb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5464/4894/files/lelejeturematowem.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005397.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5397 5156 bytes
SHA-256: 89fafd921f35d8ab9496ffb5d944cd97003aa86c2552844e1e9cf4c8c2b53079
font_01_sfnt_off00006503.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6503 12916 bytes
SHA-256: a82ed0a7d7854ca3bd68751e1ec74a057cabfc208bfc9fd71610b29d841583a0

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