Malicious PDF — malware analysis report

Static analysis result for SHA-256 018250947c6714b7…

MALICIOUS

PDF

99.9 KB Created: 2020-08-17 14:20:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 991dc32f8d3a204e3c2217decf914106 SHA-1: 2873d5d099291372eafdb75eac14e1d2db93c086 SHA-256: 018250947c6714b762a5c37c356c17994b7510e1d2cd8cee55d79d0fc572c3a3
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains numerous embedded links, with a critical heuristic identifying a link to known malicious redirector infrastructure at 'https://ttraff.cc/pify?keyword=incident+report+meaning+in+punjabi'. The ML classifier also strongly indicated maliciousness. The document body, though partially obfuscated, contains the same URL, suggesting a lure to a malicious site.

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.cc/pify?keyword=incident+report+meaning+in+punjabi
    • http://files.drgordonself.com/uploads/1/3/1/0/131070144/8905244.pdf
    • http://files.markvillemassage.com/uploads/1/3/1/3/131379792/4ccc57.pdf
    • http://files.joy-of-syntax.com/uploads/1/3/0/7/130740325/3495532.pdf
    • http://files.golffitnessx.com/uploads/1/3/0/8/130814121/2109383170.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://fedorahosted.org/lohit
    • https://cdn.shopify.com/s/files/1/0427/9785/8972/files/dulemuzos.pdf
    • https://cdn.shopify.com/s/files/1/0429/5213/0716/files/xepapuz.pdf
    • https://cdn.shopify.com/s/files/1/0435/3120/6808/files/pediatric_hemolytic_anemia.pdf
    • https://cdn.shopify.com/s/files/1/0432/5192/5155/files/14438088187.pdf
    • https://cdn.shopify.com/s/files/1/0437/9849/5389/files/bemba_proverbs.pdf
    • https://cdn.shopify.com/s/files/1/0430/1357/0709/files/58366388290.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/7074967355.pdf
    • https://cdn.shopify.com/s/files/1/0430/9411/4457/files/belebozelukisijukenuzo.pdf
    • https://cdn.shopify.com/s/files/1/0429/8535/7463/files/8418661549.pdf
    • https://cdn.shopify.com/s/files/1/0431/9143/5422/files/kapubolofisikopasupo.pdf
    • https://cdn.shopify.com/s/files/1/0428/0804/9830/files/41747081963.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00012f7d.bin
5d9e84b7e418d604c744f1781277e570edca01307cefca33f4f1b3a13bb617a8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12F7D 5336 bytes
font_01_sfnt_off00014179.bin
4d62d0698cb531ef26037b4ab3c7988c9b490bdd8178e9c5d171554e577b095d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14179 4008 bytes
font_02_sfnt_off000150f8.bin
a040ffb0a37c99507c7008facd2e58df16121d59ad45425a433e423a94fc98c1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x150F8 10992 bytes
font_03_sfnt_off0001768c.bin
457f9ac82f6c1a00832324d2a6fd1ea683630fc6d0c981b1a72763598459e780		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1768C 2744 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.