Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2e480d492b38f6d…

MALICIOUS

PDF

42.0 KB Created: 2020-08-22 13:49:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d86084b0fe6df6ebe820aa1b5c70587c SHA-1: 0d4d3bb6508374a2f109a2de062ca4919b179799 SHA-256: c2e480d492b38f6dbb0a5b6845b05be547179e64479ff97dde5f10bf746a6eac
222 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link pointing to ttraff.com. Additionally, it exhibits a PDF link farm heuristic, with many links hosted on cdn.shopify.com, suggesting an attempt to distribute malicious content or SEO spam. The document body, though heavily obfuscated, contains the URL and mentions 'authorization letter template philippines', aligning with a phishing or social engineering lure. The presence of a callback lure heuristic further supports a social engineering attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 7

  • 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.
  • 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.com/pify?keyword=authorization+letter+template+philippines In PDF document text
    • http://files.pacifictraininggroup.com/uploads/1/3/2/6/132682441/7d91c07658.pdfIn PDF document text
    • http://moleto.noahzion.com/uploads/1/3/1/4/131438044/5897994.pdfIn PDF document text
    • http://nowixam.aircraftmodelling.com/uploads/1/3/0/9/130969060/midiwazebagefup-lunifor-didowuxevosele.pdfIn PDF document text
    • http://files.mynaturalclinic.com.au/uploads/1/3/0/7/130776150/tapirogujiral-zejolenofat.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/1/0431/8353/8331/files/wamekaferebadorobiwuz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4433/8838/files/71920556837.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4112/6565/files/57372563391.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5085/2762/files/77858307559.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8380/9439/files/8917099578.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2161/5775/files/72058548475.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4387/2153/files/fundamental_trig_identities_worksheet_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0896/6306/files/pusisojakinokomutimi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0460/3910/5700/files/barretos_2018_cd.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8240/7335/files/guretukopin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tozonolemudafolafoxi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4887/6702/files/bistro_romain_carte.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5698/8317/files/bioplastico_a_base_de_cascara_de_platano.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_off000066c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66C8 5100 bytes
SHA-256: 83a37aefaf4c8d6601f97f2c826b06fcc180ced8db1f937051307502e7ef6430
font_01_sfnt_off000077f0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77F0 10280 bytes
SHA-256: 3fec110d5f81d45a1467660871ef50d15928d11c5317ae86d6c6a9f71e3b071e

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