Malicious PDF — malware analysis report

Static analysis result for SHA-256 0c0d1dc0e1b58979…

MALICIOUS

PDF

40.4 KB Created: 2020-08-06 03:47:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ecc7bb3d6e6067fdc75e9b47c21e55e0 SHA-1: ad03b23b539041ca4cfeb930581b9e6a8be0d580 SHA-256: 0c0d1dc0e1b5897928f765fcbaba971be0b50a8831f5b625e3997080aa4cdb2e
214 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links, many pointing to a redirector service (ttraff.com) that is flagged as malicious. This indicates a phishing or scam attempt, likely using a lure of free content to entice clicks. The presence of a link farm and a redirector suggests an attempt to distribute further malicious content or lead users to fraudulent sites. No scripts were extracted, but the overall pattern is consistent with a phishing lure.

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=akuntansi+keuangan+menengah+1+ifrs+pdf In PDF document text
    • http://files.eomec.org/uploads/1/3/2/6/132681452/5531871.pdfIn PDF document text
    • http://files.lucaselliottart.com/uploads/1/3/0/8/130814402/kutubafiguj_pufuwofoxejupo_jawekadowov_zapegerixik.pdfIn PDF document text
    • http://files.eifel-wohnmobil.de/uploads/1/3/1/3/131383727/nodolexepazoso.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/1/0427/9474/6023/files/mivibu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1179/2286/files/wojenuxijonoriloxulape.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1863/3894/files/88501200075.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2821/6983/files/warcraft_3_classic.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7441/2949/files/sukogajogililabik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4279/8757/files/mepituforigoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8984/4637/files/92931032897.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0993/2439/files/2729849727.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3840/7845/files/minifusunudikobesered.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2865/9869/files/lowdermilk_maternity_nursing.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7606/6211/files/2242940373.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1234/8315/files/groin_strain_rehabilitation_protocol.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005c23.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C23 5528 bytes
SHA-256: a411d8a31b69dfd70432a3ec6e74354e3dc564cdb1035f567f043098de8e750a
font_01_sfnt_off00006ed3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6ED3 11100 bytes
SHA-256: 5f28230c948fec4e0542b11151e136f2730663381b42f34534f5a4e201c17796