PDF malware analysis — malicious · 4c6f0a112d7d29ee

MALICIOUS

PDF

63.0 KB Created: 2020-08-08 04:47:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 6d01c259fbf3f8c3e7c08e3612d60f2b SHA-1: 8ab64637b13f92bebcc08edb1db0192602532ece SHA-256: 4c6f0a112d7d29eeebd32406e3755a84fbc35b6ea0cede5d756323ada503862e

120 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 'ttraff.com'. This URL is presented to the user as a link to a project PDF, but it redirects to another URL. The document also contains a large number of embedded links, many of which point to Shopify domains, suggesting a link farm or SEO manipulation tactic to disguise the malicious redirector. 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.com/pify?keyword=power+electronics+based+projects+for+eee+students+pdf
- http://files.sarahfielkeblockofmonth.com/uploads/1/3/2/7/132710683/disiketorisapij_mawesusos_lidubo_velad.pdf
- http://files.umrccca.org/uploads/1/3/1/1/131164129/48230.pdf
- http://jafavax.ezridelv.com/uploads/1/3/1/4/131453870/744aa48.pdf
- https://cdn.shopify.com/s/files/1/0432/7754/9726/files/pedug.pdf
- https://cdn.shopify.com/s/files/1/0437/1641/1547/files/84936764225.pdf
- https://cdn.shopify.com/s/files/1/0435/8632/2600/files/halloween_bingo_printable_free.pdf
- https://cdn.shopify.com/s/files/1/0429/5950/3519/files/82582028251.pdf
- https://cdn.shopify.com/s/files/1/0437/3138/6529/files/anna_karenina_novel_download.pdf
- https://cdn.shopify.com/s/files/1/0429/0058/6649/files/povixakoxasomodek.pdf
- https://cdn.shopify.com/s/files/1/0428/2833/3219/files/27432191809.pdf
- https://cdn.shopify.com/s/files/1/0432/9462/1862/files/nusugowexiso.pdf
- https://cdn.shopify.com/s/files/1/0432/9324/5590/files/482493952.pdf
- https://cdn.shopify.com/s/files/1/0434/1746/9086/files/95594741294.pdf
- https://cdn.shopify.com/s/files/1/0430/9791/5545/files/26978250018.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00008682.bin` `fc6d0195611abb6194b22020c2ac3b01265fc8aff3423950aed30207cdb9c93f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8682	5340 bytes
`font_01_sfnt_off000098bd.bin` `1d13bc202acc5661f725a313878db79ac0fff80806c367ec24eb8023ef02c3ed`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x98BD	16144 bytes
`font_02_sfnt_off0000cabd.bin` `532315dfdc59b350d447ad91845dd8cc72a836e684f536ab9a4305dc5b53fb8e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCABD	16204 bytes
`font_03_sfnt_off0000dfed.bin` `05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDFED	4324 bytes

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