Malicious PDF — malware analysis report

Static analysis result for SHA-256 75d9e932bcb69818…

MALICIOUS

PDF

85.7 KB Created: 2020-09-06 04:22:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 415b84970217620d2aae5074b8e028f1 SHA-1: b3ae40061abfe14da29b15e651dff7e27edab8a2 SHA-256: 75d9e932bcb69818da3f3b72b4a9c7b496287bff7b14e2a7ea406c577fe1374b
154 Risk Score

Malware Insights

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

This PDF document contains numerous embedded links, with a critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that matches the one identified by the heuristic. The presence of a link farm suggests an attempt to distribute malicious content or engage in SEO manipulation for malicious purposes.

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/wix?keyword=minority+report+meaning+in+malayalam
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://cdn.shopify.com/s/files/1/0430/7111/1330/files/lofadosofevamososapusox.pdf
    • https://cdn.shopify.com/s/files/1/0438/0921/0529/files/monash_university_low_fodmap_diet_guide.pdf
    • https://cdn.shopify.com/s/files/1/0434/9411/3446/files/76180191336.pdf
    • https://cdn.shopify.com/s/files/1/0430/7078/3645/files/28114133118.pdf
    • https://cdn.shopify.com/s/files/1/0436/6788/2134/files/raroxorokawudakobokaj.pdf
    • https://cdn.shopify.com/s/files/1/0457/3672/2588/files/tijuwid.pdf
    • https://cdn.shopify.com/s/files/1/0429/6769/5509/files/53123465254.pdf
    • https://cdn.shopify.com/s/files/1/0449/6248/0296/files/modal_verb_exercises_with_answers.pdf
    • https://cdn.shopify.com/s/files/1/0433/6238/6079/files/39368402996.pdf
    • https://cdn.shopify.com/s/files/1/0429/4151/3894/files/gana_balachander_song_mp4.pdf
    • https://cdn.shopify.com/s/files/1/0432/9740/7126/files/offre_d_alternance_informatique_paris.pdf
    • https://cdn.shopify.com/s/files/1/0460/0964/7263/files/bengali_old_romantic_song_free.pdf
    • https://cdn.shopify.com/s/files/1/0427/6404/2396/files/66704703706.pdf
    • https://cdn.shopify.com/s/files/1/0440/5847/6694/files/xifenaloxipujomuza.pdf
    • https://cdn.shopify.com/s/files/1/0430/9562/1796/files/nazinaponibewi.pdf
    • https://cdn.shopify.com/s/files/1/0431/1806/7876/files/29004598833.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_off00011144.bin
2974e55bd8fd28088a2ff41c0056b476e94797dcef9a3560ac4082eb92be85b0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11144 5068 bytes
font_01_sfnt_off00012280.bin
011335b8dec9912b48a1b8106c96d69ab12fb4a2ec795eac5986061bbf9874cf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12280 11860 bytes

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