PDF malware analysis — malicious · 576f8b20109d164e

MALICIOUS

PDF

47.2 KB Created: 2020-08-01 06:00:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 94d36340f17d674608b7e8f09649ce77 SHA-1: 4707129135719f2908dba4b5c629d804d816c549 SHA-256: 576f8b20109d164e665db74bd381787ff64c98056b757b3093a715af98e46aee

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains numerous embedded links, a common technique for SEO poisoning and redirecting users to malicious sites. One critical heuristic identified a link to a known malicious redirector, ttraff.cc, which is disguised as a manual for an Omron pedometer. The document body, though heavily obfuscated, contains the string 'Omron pedometer manual' and the malicious URL, reinforcing the lure.

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=omron+pedometer+manual
- http://files.lexphotoscan.com/uploads/1/3/0/7/130775921/rexixo.pdf
- http://files.suzannepetrizzi.com/uploads/1/3/0/8/130813645/safez.pdf
- http://files.loneoakcoffee.com/uploads/1/3/0/7/130775108/4185337.pdf
- https://cdn.shopify.com/s/files/1/0430/7353/6161/files/65164736590.pdf
- https://cdn.shopify.com/s/files/1/0434/3070/7356/files/19988260298.pdf
- https://cdn.shopify.com/s/files/1/0427/6781/0726/files/31092517732.pdf
- https://cdn.shopify.com/s/files/1/0428/7214/4038/files/nawanajozowilozokuj.pdf
- https://cdn.shopify.com/s/files/1/0439/1705/0008/files/mifuvoluxetula.pdf
- https://cdn.shopify.com/s/files/1/0430/6547/5226/files/kutudajuvamefapefad.pdf
- https://cdn.shopify.com/s/files/1/0430/6888/3098/files/sabedibuwepukijezadax.pdf
- https://cdn.shopify.com/s/files/1/0437/9305/5904/files/mulanawajakukikam.pdf
- https://cdn.shopify.com/s/files/1/0433/3145/3081/files/77181119359.pdf
- https://cdn.shopify.com/s/files/1/0427/6387/8566/files/82598498078.pdf
- https://cdn.shopify.com/s/files/1/0435/7862/2115/files/mowapodomabux.pdf
- https://cdn.shopify.com/s/files/1/0431/0263/4148/files/zipuwise.pdf
- https://cdn.shopify.com/s/files/1/0434/6550/6966/files/pupilojebifugubajeji.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/
- https://cdn.shopify.com/s/files/1/0434/6550/6966/files/pupilojebifugubajeji.p

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000069db.bin` `cd2d77b06005eadd7987544e0134bc00a6f18eb96496562ebc829a1da5e4c7a5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x69DB	4788 bytes
`font_01_sfnt_off000079fc.bin` `18f534e954d3401cedf737f45431aa160f7079d0aa7896e800e8443c2dcba956`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x79FC	12472 bytes
`font_02_sfnt_off0000a1df.bin` `b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA1DF	4324 bytes

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