PDF malware analysis — malicious · a8be0f262376854f

MALICIOUS

PDF

44.8 KB Created: 2020-08-04 16:00:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 463a85e367b687402166d12bc6778695 SHA-1: fb15909cb47134c73908483be7774ff70bf6e0cc SHA-256: a8be0f262376854fc267afc70de293132edd107423d4769e18a43e697bec6efe

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Phishing: Spearphishing Attachment T1204.002 Malicious Link

The PDF file was identified as malicious due to the presence of a large number of external links, many of which point to a link farm hosted on Shopify. One of the primary links, 'https://ttraff.cc/pify?keyword=geological+processes+pdf', is flagged as a malicious redirector. The document body contains garbled text but includes the same URLs, suggesting an attempt to disguise or embed them within the document's content. The overall pattern indicates a likely attempt to lure users to malicious sites through a deceptive document.

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=geological+processes+pdf
- http://wenimi.emerystyron.com/uploads/1/3/0/7/130739625/b2eb1.pdf
- http://files.theopalexchange.com/uploads/1/3/2/6/132681308/durigo.pdf
- http://files.yenway.com/uploads/1/3/0/8/130874433/e3c4f0466c7.pdf
- http://files.communitychoice.us/uploads/1/3/1/8/131857390/9638766.pdf
- https://cdn.shopify.com/s/files/1/0440/2230/0822/files/zutim.pdf
- https://cdn.shopify.com/s/files/1/0435/4267/5608/files/mebulipudibogugeluzuri.pdf
- https://cdn.shopify.com/s/files/1/0431/1416/8480/files/95078096602.pdf
- https://cdn.shopify.com/s/files/1/0432/1925/5456/files/lixamejawagib.pdf
- https://cdn.shopify.com/s/files/1/0429/8119/5927/files/fiber_optic_communications_palais_solution_manual.pdf
- https://cdn.shopify.com/s/files/1/0434/5865/8454/files/31668651834.pdf
- https://cdn.shopify.com/s/files/1/0434/5161/3334/files/gilijiniwunuj.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/54101174921.pdf
- https://cdn.shopify.com/s/files/1/0439/6518/6206/files/fepuwugaweginajale.pdf
- https://cdn.shopify.com/s/files/1/0433/7857/3475/files/46934469777.pdf
- https://cdn.shopify.com/s/files/1/0432/0801/6027/files/sakukejafal.pdf
- https://cdn.shopify.com/s/files/1/0427/8570/2054/files/c_vs_c.pdf
- https://cdn.shopify.com/s/files/1/0434/0649/1797/files/foxusevewe.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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00006f9c.bin` `f85ffee5162d810c9991be5155f1d5f4ce58aad54df8759ef5425e737fd5827b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x6F9C	5352 bytes
`font_01_sfnt_off000081e6.bin` `790301357fc7e7272d2680de140cab59534588e329ac824483d263b61f226c09`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x81E6	10880 bytes

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