Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0cffafd7ccc95fd…

MALICIOUS

PDF

325.6 KB Created: 2020-09-29 02:30:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26
MD5: 3c8faf3b82d5e76b575c8a92c6cb786a SHA-1: d17d031ffa105bb48352bea13b99462ee808cf2b SHA-256: f0cffafd7ccc95fd508ef801b5df0e0bcdc7c099321ae007a21a33550315541a
94 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, indicating an attempt to lead the user to malicious content. The ML classifier also strongly flagged this PDF as malicious. The embedded URL 'https://ttraff.link/pify?keyword=40k+chaos+space+marines+codex+pdf' is the primary indicator of malicious intent, likely serving as a lure for further compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 3

  • 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.
  • 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.link/pify?keyword=40k+chaos+space+marines+codex+pdf In PDF document text
    • https://site-1037240.mozfiles.com/files/1037240/mazabebaxakebazexibejub.pdfIn PDF document text
    • https://site-1036730.mozfiles.com/files/1036730/12419592181.pdfIn PDF document text
    • https://site-1037219.mozfiles.com/files/1037219/94616133779.pdfIn PDF document text
    • http://files.angipetersonpottery.com/uploads/1/3/0/7/130738507/6567443.pdfIn PDF document text
    • http://junarukuz.schaefernursery.com/uploads/1/3/1/3/131398589/nowozagesorumi.pdfIn PDF document text
    • http://files.heightshightigers1988.com/uploads/1/3/2/6/132681325/bamewawikidus-kawafarapodakaf-jetebanemir.pdfIn PDF document text
    • http://files.tonivuc.com/uploads/1/3/0/7/130776381/nawevaxakuzidevod.pdfIn PDF document text
    • http://gidegax.nakuspcreations.com/uploads/1/3/0/8/130813042/japiwenovima-zijom-wetad.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/1/0437/5393/0901/files/97908650605.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0723/6503/files/11067764476.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3407/5558/files/87891394892.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4891/9450/files/93145037484.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3309/9430/files/66359830047.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4396/2532/files/vanilla_wow_first_aid_guide_1-_300.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4438/0578/files/zamonezejalunen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0482/8928/4258/files/sasepif.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_off0004cefd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4CEFD 5632 bytes
SHA-256: 0568e5546a7ff906125bea773068a194ff53060c8800195c502befbd89d13743
font_01_sfnt_off0004e205.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4E205 11096 bytes
SHA-256: 83412461232514c219c66e96de3744307b16880aff9239ff7f741d22dc44c475

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