Malicious PDF — malware analysis report

Static analysis result for SHA-256 92804a75cff18b74…

MALICIOUS

PDF

38.9 KB Created: 2020-09-16 13:54:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 02f07782ca723b54fe24d621821019b5 SHA-1: 2db89cbd3cabcc85c70b087c6b044f0f203badb2 SHA-256: 92804a75cff18b74ea51600cf78694b77b7b1d2ba37a6919f96e2db5282d8e9b
150 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link disguised as a download for 'Popcorn time apk'. The document body and heuristics indicate a lure to a malicious URL, likely for malware distribution or phishing. The ML classifier strongly supports the malicious nature of this PDF.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.
  • 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.
  • 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=popcorn+time+apk
    • http://bagafo.kevinkochdriftlessland.net/uploads/1/3/0/8/130814328/8983006.pdf
    • http://kabitavis.graceopchurch.com/uploads/1/3/1/4/131437987/2323373.pdf
    • http://budepo.cellnutritionandfitness.com/uploads/1/3/1/6/131606289/bavizika.pdf
    • http://files.gotravelpros.com/uploads/1/3/1/4/131437859/3372723.pdf
    • http://files.johnscreekchorus.com/uploads/1/3/2/6/132682204/nalewuvijuj.pdf
    • http://files.arkbench.com/uploads/1/3/0/7/130775867/sunuraronolebef.pdf
    • https://cdn.shopify.com/s/files/1/0427/7446/2631/files/nizozanageb.pdf
    • https://cdn.shopify.com/s/files/1/0430/8729/8714/files/zirapejakabodo.pdf
    • https://cdn.shopify.com/s/files/1/0436/9471/9131/files/25467231362.pdf
    • https://eaf140de-2736-4f6c-a4de-289bc98c1b9c.filesusr.com/ugd/dcf311_384e75caa8e04c8abec9b99f10e86296.pdf?index=true
    • https://809a7bcf-18c5-4cab-9c49-0c413a0364f1.filesusr.com/ugd/69695d_4f91dc956c5e4d968bdb1fed4787ccca.pdf?index=true
    • https://9dcf42da-17d1-4ae7-9fcd-0e0941380461.filesusr.com/ugd/eb6612_50225242ff1744a1b2dc78c2556e3af3.pdf?index=true
    • https://12fc80f6-b584-47b1-b0b1-2d5cff43a17f.filesusr.com/ugd/bc0b97_fc7307a1090440a79d9b582d3c444e87.pdf?index=true
    • 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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005cac.bin
40f6c4d77c1cf2dbd329d0e9b827b400d70fbffa50c39810ef888db7ef25cdd3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5CAC 4936 bytes
font_01_sfnt_off00006d5d.bin
96a991e0493423ba4184eb7dad7c208b808a707ee2ef774a6922192c833e2349		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D5D 10004 bytes

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