PDF malware analysis — malicious · 4499980c26591223

MALICIOUS

PDF

46.2 KB Created: 2020-08-20 18:24:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a6141f64e87a5efa012332afb4fd04cf SHA-1: 4230f24179dceddfb009faca5c68785ee2c69f82 SHA-256: 4499980c265912236793d8f33f909d239530aa4acedeef22009eeb248bd826e4

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a mass external link farm, with a primary malicious redirector URL embedded in the document body. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically identifies the link 'https://ttraff.cc/pify?keyword=bang+bang+movie+free++300mb' as pointing to known malicious infrastructure. The document body, though heavily obfuscated, also contains this URL and other PDF links, suggesting a lure for users to download potentially harmful content.

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.cc/pify?keyword=bang+bang+movie+free++300mb
- http://files.coachtbasketball.com/uploads/1/3/1/4/131406717/4489109.pdf
- http://files.adentabrasil.com/uploads/1/3/1/4/131438002/3040273.pdf
- https://cdn.shopify.com/s/files/1/0431/6141/9927/files/tosefulij.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/87743453122.pdf
- https://cdn.shopify.com/s/files/1/0434/2277/7496/files/74268332577.pdf
- https://cdn.shopify.com/s/files/1/0430/5725/0455/files/30211493082.pdf
- https://cdn.shopify.com/s/files/1/0444/3540/7014/files/excuse_note_for_school.pdf
- https://cdn.shopify.com/s/files/1/0434/3103/5032/files/38423524497.pdf
- https://cdn.shopify.com/s/files/1/0429/1202/2691/files/kizulukixodiz.pdf
- https://cdn.shopify.com/s/files/1/0431/6597/4690/files/bilezoper.pdf
- https://cdn.shopify.com/s/files/1/0431/2530/9604/files/76884913409.pdf
- https://cdn.shopify.com/s/files/1/0434/6763/6898/files/81838417972.pdf
- https://cdn.shopify.com/s/files/1/0452/3019/4845/files/rules_for_assigning_oxidation_numbers.pdf
- https://cdn.shopify.com/s/files/1/0461/9835/8165/files/lubozuvuwudozaxevojov.pdf
- https://cdn.shopify.com/s/files/1/0430/1471/7597/files/camera_nx_apk_for_nougat.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.

Filename	Kind	Source	Size
`font_00_sfnt_off00006a99.bin` `3629b01c626a46a52f7937a4220a70b9b1e56e1fa8d01d8bfe621665a40cff39`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6A99	5140 bytes
`font_01_sfnt_off00007bfe.bin` `da26a9aaa754c14f80d804f118901c4a6bf681e3c1969110fe2f7277814b3a48`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7BFE	9940 bytes
`font_02_sfnt_off00009e06.bin` `9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9E06	4324 bytes

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