Malicious PDF — malware analysis report

Static analysis result for SHA-256 02ee1b858b315a80…

MALICIOUS

PDF

38.2 KB Created: 2020-09-02 04:38:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 716186972910bf0254a60dc5905df953 SHA-1: 60a8810c5fbd0227e356d5ce8fac9f13d01be897 SHA-256: 02ee1b858b315a807adb480afc945da12bfa5c1873c37321cd04b26c40f69dc8
182 Risk Score

Malware Insights

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

This PDF document contains numerous links, including one pointing to a known malicious redirector infrastructure at 'ttraff.com'. The document body, though heavily obfuscated, contains text and URLs that suggest a lure to download or view content related to 'photoshop chroma key plugin free'. The presence of a malicious redirector indicates an attempt to lead the user to a compromised or malicious site, likely for further exploitation or credential harvesting.

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.
  • 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) documents that carry no urgency or charge/dispute escalation.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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/wix?keyword=photoshop+chroma+key+plugin+free
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://cdn.shopify.com/s/files/1/0430/8621/7383/files/logo_dls_18_persebaya.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/telisupuf.pdf
    • https://cdn.shopify.com/s/files/1/0438/3123/0624/files/bopip.pdf
    • https://cdn.shopify.com/s/files/1/0429/8702/8641/files/sulixowawu.pdf
    • https://cdn.shopify.com/s/files/1/0437/3826/7809/files/annabac_francais.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wesuwalaloluxafim.pdf
    • https://cdn.shopify.com/s/files/1/0431/6869/4432/files/16345408739.pdf
    • https://cdn.shopify.com/s/files/1/0429/8512/8095/files/ice_bug_pokemon.pdf
    • https://cdn.shopify.com/s/files/1/0431/6109/2250/files/screenshot_app_for_windows.pdf
    • https://static.usrfiles.com/ugd/ab5adf_649061218e1b45bfb754f40d565ac131.pdf
    • https://static.usrfiles.com/ugd/b8c837_f6d0bd0993cd48fd8b679ad36d2fa732.pdf
    • https://static.usrfiles.com/ugd/eed56f_21ec510d9bfe410d9025390fb737874a.pdf
    • https://cdn.shopify.com/s/files/1/0430/3775/3493/files/adonai_audio_songs.pdf
    • https://cdn.shopify.com/s/files/1/0431/5866/7430/files/26177920116.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000057d5.bin
f7648bffc0a0e8684bed787267e60b4d4955333db3039938e0b32dcebd0596b4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x57D5 5596 bytes
font_01_sfnt_off00006abe.bin
37a7b7a08e0f0c9da281198975e79d89b0370cc61b2e9fc36c09f2f133043cf9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6ABE 9848 bytes

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