Malicious PDF — malware analysis report

Static analysis result for SHA-256 47c1d1ebb3ae730e…

MALICIOUS

PDF

38.3 KB Created: 2020-08-17 12:56:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d424f1eeb811b4c6e2952277a90e0d8b SHA-1: c617cc9dd050251a18e2fa3c8b78973f9b551331 SHA-256: 47c1d1ebb3ae730e8ee98d424a2ec6a9d80e1594bb4f68437bca449678c0116a
214 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=aeroport+otopeni+informatii+contact'. Additionally, it exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on Shopify. The document body, though partially corrupted, contains text related to airport contact information, likely serving as a lure. The presence of a callback phishing lure heuristic further supports the social engineering aspect of this attack.

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) or Microsoft license-boilerplate 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=aeroport+otopeni+informatii+contact In PDF document text
    • http://bidipema.hparealestate.com/uploads/1/3/0/7/130739664/6cae71a.pdfIn PDF document text
    • http://files.calclugston.com/uploads/1/3/1/4/131438299/mizepo.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/1/0433/0687/7080/files/tizisixurodegu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9902/9655/files/78446185507.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6642/4477/files/rubuxapulorama.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0906/3582/files/9782957591.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0548/3942/files/lugamusijir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6246/8516/files/xitidakozimozuwawikan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5828/9045/files/adobe_for_mac_catalina.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dijovosulodomozov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7950/7880/files/speed_queen_washer_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0913/0143/files/electric_bike_design.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2862/8135/files/anatomy_atlas_download.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 4

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_off000058a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x58A7 4940 bytes
SHA-256: fe98ae24ca3b65cb10c6c5c4300749aa94c7455abb2bfa692f81a1d2f96c20da
font_01_sfnt_off0000695c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x695C 10360 bytes
SHA-256: 5c9568550e840c16c5edcd86199aa7ece665149d4739cc46c7abdfb279602f1c

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