Malicious PDF — malware analysis report

Static analysis result for SHA-256 a07ae7968d912a63…

MALICIOUS

PDF

46.3 KB Created: 2020-08-15 14:39:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: fb186ed159d85701fce138bc12a32f26 SHA-1: dc192a203c07a997afdaf239c501907d9294fe35 SHA-256: a07ae7968d912a63cb5f71ae070c31332bf9c88f482d62f73a4d01956175fca5
152 Risk Score

Malware Insights

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

The PDF document contains a mass of external links, many of which point to potentially malicious redirectors or benign-looking but potentially compromised Shopify domains. The primary lure appears to be "Endeavour energy outage information", which redirects through `ttraff.ru` to a Shopify-hosted PDF. This suggests a phishing or scam campaign aiming to drive traffic to malicious infrastructure. No scripts were extracted, limiting the analysis of direct payload execution.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • 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.ru/pify?keyword=endeavour+energy+outage+information
    • http://mubef.atwbswimming.com/uploads/1/3/1/3/131380480/pizagotafujo_sunimisowu_kimizegupugiw_zizegajuxagov.pdf
    • http://migonu.fivestark9usa.com/uploads/1/3/0/9/130969559/bcb3ca2cdb13b8e.pdf
    • http://files.m2students.net/uploads/1/3/1/4/131407469/rilef_niwevugugifadev.pdf
    • http://files.pharosjot.com/uploads/1/3/1/4/131453610/roradovixem_vemexisegida_farewilesojawip_tarowev.pdf
    • http://files.tynksgemstonedesigns.com/uploads/1/3/2/7/132740415/7381d2f1749d4.pdf
    • https://cdn.shopify.com/s/files/1/0432/9468/7400/files/lukobofid.pdf
    • https://cdn.shopify.com/s/files/1/0431/7482/2043/files/attributes_of_god_bible_study.pdf
    • https://cdn.shopify.com/s/files/1/0430/5158/1597/files/balak.pdf
    • https://cdn.shopify.com/s/files/1/0428/4468/4454/files/fadolux.pdf
    • https://cdn.shopify.com/s/files/1/0428/8544/7833/files/bangladesh_bank_job_preparation_book.pdf
    • https://cdn.shopify.com/s/files/1/0432/9861/9557/files/tevanigumomitunopom.pdf
    • https://cdn.shopify.com/s/files/1/0431/2920/8983/files/movifidudix.pdf
    • https://cdn.shopify.com/s/files/1/0438/8762/4344/files/vobubovoxuvita.pdf
    • https://cdn.shopify.com/s/files/1/0435/9880/7202/files/vonefi.pdf
    • https://cdn.shopify.com/s/files/1/0436/7391/1449/files/28148278824.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/

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000670e.bin
2e0ee37cd64f4c35472631c058407906ad20f0781d2500579fe3f45af03c2431		 pdf-font-stream PDF embedded font (sfnt) at offset 0x670E 6812 bytes
font_01_sfnt_off00007845.bin
842e23d309db0aa9c4eb750116c9c1a1a78e578410816831c01697ee0b07dd0d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7845 5136 bytes
font_02_sfnt_off000089c0.bin
823ab55dfd1d870b7035b143cbc67a4190294bdd0d98ecdcd782c2055ac8a59d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x89C0 10004 bytes

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