PDF malware analysis — malicious · 1e1445e93f19b3dd

MALICIOUS

PDF

36.7 KB Created: 2020-08-11 05:55:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: c3c00bbf6abf48069b6757dc3aa51a92 SHA-1: 2befa99b0030d9d8beb0cfe478e09bbb3c1a8ed5 SHA-256: 1e1445e93f19b3ddfeff9c63b51999c04858343960f15ade69b986b9022a879c

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=biology+of+belief+pdf+free+download'. This indicates the document is designed to redirect users to potentially harmful content under the guise of a free book download. The presence of a large number of external PDF links further supports this as a link farm or SEO poisoning tactic. No scripts were extracted from this sample.

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=biology+of+belief+pdf+free+download
- http://files.las-philosophy.com/uploads/1/3/0/8/130873983/1244434.pdf
- http://files.netimpactphiladelphia.org/uploads/1/3/2/6/132682171/3052386.pdf
- http://files.radiopigs.us/uploads/1/3/0/7/130739996/3867846.pdf
- http://files.harvardhic.com/uploads/1/3/2/8/132814989/7027267.pdf
- http://files.bellamymassagetherapykelowna.com/uploads/1/3/0/8/130874012/vozux_tixavom.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/61259485886.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xawifakupubegezixezo.pdf
- https://cdn.shopify.com/s/files/1/0433/2394/9224/files/77995859665.pdf
- https://cdn.shopify.com/s/files/1/0433/4908/2264/files/33299760483.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/66456909559.pdf
- https://cdn.shopify.com/s/files/1/0429/5622/6716/files/fajojurileminen.pdf
- https://cdn.shopify.com/s/files/1/0430/0718/0954/files/mawuruvibivupofilume.pdf
- https://cdn.shopify.com/s/files/1/0432/7833/6165/files/76273400508.pdf
- https://cdn.shopify.com/s/files/1/0427/7580/6119/files/91709726833.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kixekitigatozodevejale.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_off0000475f.bin` `786c2dbd01f41f5f504747ae6a8e238af33961f3695e9b7e4b3bc327d7b8102f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x475F	5416 bytes
`font_01_sfnt_off000059e5.bin` `6191117d43797f6175476515d8839500e5f77ed9c2ce7cb95072b21dbbf2b490`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x59E5	2508 bytes
`font_02_sfnt_off000064ec.bin` `45dd28266f22a5a002a1897f2c3fbe791a06a04f391a6584c35fd6b041c91200`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x64EC	9584 bytes

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