PDF malware analysis — malicious · 5548b6998b0a35a4

MALICIOUS

PDF

41.9 KB Created: 2020-08-30 02:57:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7d6f914997509c37ac22bd6db97d7d8e SHA-1: ef6b26915e4b9baeb3194a166ec547b5c9a6c4bd SHA-256: 5548b6998b0a35a4e48221a5fc2d4412393d29645496f8fea387241c0a46f19c

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a significant number of embedded links, with one heuristic identifying it as a PDF link farm. The primary malicious URL, 'https://ttraff.cc/wix?keyword=abnormal+psychology+an+integrative+a', is flagged as a malicious redirector. While the document body contains garbled text, the presence of numerous links and the specific malicious redirector strongly suggest an attempt to lure users to harmful content or exploit SEO tactics for traffic generation. No scripts were extracted from this sample.

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/wix?keyword=abnormal+psychology+an+integrative+a
- https://static.usrfiles.com/ugd/b8c837_a5d7dc1cfffc4c32bd88f0a002258f45.pdf
- https://static.usrfiles.com/ugd/b8c837_5c06aa9a950d47d0ab8dfdb6f6a23d72.pdf
- https://static.usrfiles.com/ugd/20d83a_255d20faff994dbaa59bf2445ce24809.pdf
- https://static.usrfiles.com/ugd/b8c837_136f5b22e5ed455f9f3d9a3404f5ebc9.pdf
- https://static.usrfiles.com/ugd/b8c837_b5e8d0f10240461e9b98d1a2b99c762d.pdf
- https://static.usrfiles.com/ugd/b8c837_591654e411f94a9eab90d94087a75b17.pdf
- https://static.usrfiles.com/ugd/b8c837_5d26706714284b4f9fb624b41232f538.pdf
- https://static.usrfiles.com/ugd/d2751c_b38b56d60ebe4087b8ccdfea6d6d1a77.pdf
- https://static.usrfiles.com/ugd/a76634_f5ab022ade424368ab162493eb79e2d7.pdf
- https://static.usrfiles.com/ugd/b8c837_0c66bee8f36240ab9f0693405fe6d8ca.pdf
- https://static.usrfiles.com/ugd/b8c837_b6a6978593d34cf9a289c5df23707cec.pdf
- https://static.usrfiles.com/ugd/a2d007_f0bfeab6eb6e4eb8806544b43084a999.pdf
- https://static.usrfiles.com/ugd/b8c837_83ed7fecf43645cf9dda821df40c48f0.pdf
- https://static.usrfiles.com/ugd/bfbc46_7515efd4dbbf4a3e82130ac0c76fe9f9.pdf
- https://static.usrfiles.com/ugd/b8c837_597443141cdd4dd08befe21a0b7ad014.pdf
- https://static.usrfiles.com/ugd/b8c837_a6b1f197b51947cfb8d0d19ce9cda23c.pdf
- https://static.usrfiles.com/ugd/166c09_da11ef4af00d4d809a205bf9a61116e4.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
`font_00_sfnt_off0000680b.bin` `a9bd1163049e242945b18d90467e0e83b5289870b774c4be0805ea72b8ab55d5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x680B	5640 bytes
`font_01_sfnt_off00007b07.bin` `95200b48fed7d52222263f52d0444cb92ace9ecf6ed099b67980253cb1b6bf65`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7B07	9176 bytes

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