PDF malware analysis — malicious · c801c5d8af9fa81e

MALICIOUS

PDF

47.7 KB Created: 2020-08-06 17:30:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 3e7322192b4022e683d775d391272a3a SHA-1: 868b3e369683355a952a4e8347b8afb6a679c771 SHA-256: c801c5d8af9fa81e6ca12156d43c468093206a5aa6b864ffcfa836e4d4cd50a4

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a heuristic firing for a malicious redirector link, pointing to `https://ttraff.ru/pify?keyword=pm+awas+yojana+mp+form+pdf`. The document body, though partially corrupted, also contains this URL and other embedded URLs, suggesting a lure to external content. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm designed to attract search engine traffic, with the primary malicious URL being the entry point for the attack. 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.ru/pify?keyword=pm+awas+yojana+mp+form+pdf
- http://files.emmanuellaflamme.com/uploads/1/3/1/0/131070718/dadisizujiwulupeka.pdf
- http://files.nevadadiscoveryride.com/uploads/1/3/1/3/131381540/dorojede.pdf
- http://sitok.sbrmga.com/uploads/1/3/1/4/131453109/suwadu_wokomisix_newise.pdf
- https://cdn.shopify.com/s/files/1/0430/4361/8965/files/ap_english_literature_practice_test.pdf
- https://cdn.shopify.com/s/files/1/0430/7802/5377/files/21709343846.pdf
- https://cdn.shopify.com/s/files/1/0430/6481/9874/files/jutebukodomedapino.pdf
- https://cdn.shopify.com/s/files/1/0428/3544/3875/files/candles_lyrics_daughter.pdf
- https://cdn.shopify.com/s/files/1/0431/9857/8848/files/33407778537.pdf
- https://cdn.shopify.com/s/files/1/0427/8432/5798/files/jatasinugepikupubigukuvut.pdf
- https://cdn.shopify.com/s/files/1/0428/5625/1559/files/bimasutoges.pdf
- https://cdn.shopify.com/s/files/1/0434/3198/5309/files/12645308849.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78549170372.pdf
- https://cdn.shopify.com/s/files/1/0440/7564/7128/files/fidezizefoginuzabagej.pdf
- https://cdn.shopify.com/s/files/1/0429/7526/4924/files/zitelimutuvubexuzugu.pdf
- https://cdn.shopify.com/s/files/1/0431/5630/8123/files/rejiv.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_off000065ef.bin` `b86d03b3bb907b457c39acad4aa0599a6377ba3c9750655b03521767d687e097`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x65EF	5428 bytes
`font_01_sfnt_off00007866.bin` `a0ea731e3e73070601be7a643bf920dd236811b6fe6f7d6f5d240f0b511a39c4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7866	10340 bytes
`font_02_sfnt_off00009bfe.bin` `29733cc91695cc9d9a5369cd395344722c87f74c0ed9eced09fdde1df8541c10`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9BFE	5604 bytes

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