PDF malware analysis — malicious · 2f71ffbfbe0cf7fd

MALICIOUS

PDF

37.4 KB Created: 2020-08-30 12:00:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 87dd22c6d5d274e881ebefd9c371efa5 SHA-1: 6bdfa9e4078af9b6dd222ec1425ea65a1f9b0c35 SHA-256: 2f71ffbfbe0cf7fdd1c783972d649050023097c1637946937c793d5380799c3e

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a mass of external links, many of which point to a redirector service. The primary malicious URL identified is https://ttraff.me/wix?keyword=database+security+and+auditing+hassan+afyouni. This indicates a link farm or SEO poisoning attack designed to drive traffic to malicious infrastructure. No scripts were extracted, and the document body was heavily obfuscated.

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.me/wix?keyword=database+security+and+auditing+hassan+afyouni
- https://static.usrfiles.com/ugd/a64c8c_c40d4a84bc7a49ad86934a665dce9c62.pdf
- https://static.usrfiles.com/ugd/fb83f1_08e287ae9c2f4ad7a87c61a07a5ced42.pdf
- https://static.usrfiles.com/ugd/b28561_0674f19b0f484a91860d8cf4b7c4fb69.pdf
- https://static.usrfiles.com/ugd/b8c837_c33f54260d2941cbb3739c58aaacb0f0.pdf
- https://static.usrfiles.com/ugd/1b8612_c0e5caf0ae324961800f65d8fc7fa5ef.pdf
- https://static.usrfiles.com/ugd/b8c837_a917695fcc12412e834d052dc22b206c.pdf
- https://static.usrfiles.com/ugd/18f527_36c8af7614c84290a07341b81ef94ac0.pdf
- https://static.usrfiles.com/ugd/b8c837_0d398b0f79434bf4ac344646bc9b8364.pdf
- https://static.usrfiles.com/ugd/b8c837_f2c2396210724176abdfc9fe94180e7e.pdf
- https://static.usrfiles.com/ugd/b8c837_cfc2266b12354d6bb593e96dbaea740c.pdf
- https://static.usrfiles.com/ugd/b8c837_6b9ff62aa34b47128ba059d2b058d4c9.pdf
- https://static.usrfiles.com/ugd/45e30f_8221cfb461a04cab9a77847c74018d46.pdf
- https://static.usrfiles.com/ugd/b8c837_24841f9d180540919a1375c8fd60701a.pdf
- https://static.usrfiles.com/ugd/a4d998_375bad0a447d43728108b9059f99e4de.pdf
- https://static.usrfiles.com/ugd/b8c837_ffd3c325f86a4d2eb47a2b2bedc79517.pdf
- https://static.usrfiles.com/ugd/b8c837_caba378897434a4e9a4c7be3dabc2fbf.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_off000048d3.bin` `1ec4d07286041043782508006f0d4ca2ba5e2382a2fe35076ae79b7fb2e9d04b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x48D3	5372 bytes
`font_01_sfnt_off00005b11.bin` `60e0dbf729161be3cddd7bfe92ee5f3821ff41b9c878b69673c6918267fe3d9f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5B11	9188 bytes
`font_02_sfnt_off00007a0a.bin` `a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7A0A	4324 bytes

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