PDF malware analysis — malicious · 45554e17f01b60f5

MALICIOUS

PDF

41.1 KB Created: 2020-07-31 13:25:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4342f6407560c923d2f4bbce8a5139d0 SHA-1: 55a79b683c8c07561299cfd30ece97a663231b3a SHA-256: 45554e17f01b60f562b2d52aa8a7912958f581b0b79a51f2d144a738a2e0c4f0

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains multiple embedded links, with one identified as a malicious redirector. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK indicates that the link at https://ttraff.com/pify?keyword=neoplasma+adalah+pdf is associated with malicious infrastructure. Additionally, the PDF_SEO_LINK_FARM heuristic suggests a large number of external links, with the first being https://cdn.shopify.com/s/files/1/0430/1992/7713/files/16820040837.pdf, pointing towards a link farm strategy. The document body contains garbled text and metadata indicating it was generated by wkhtmltopdf, suggesting it's not a legitimate document but rather a container for malicious links.

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=neoplasma+adalah+pdf
- http://files.divorcecoachingandconsulting.com/uploads/1/3/2/3/132303035/nonetepizo-jalak.pdf
- http://files.fowlervillebands.com/uploads/1/3/1/1/131164431/ca8c494.pdf
- http://files.laganhistory.com/uploads/1/3/1/8/131871740/8041193.pdf
- http://files.realinboundconsulting.com/uploads/1/3/1/1/131163859/66509.pdf
- http://files.fowlervillebands.com/up
- https://cdn.shopify.com/s/files/1/0430/1992/7713/files/16820040837.pdf
- https://cdn.shopify.com/s/files/1/0432/4563/3691/files/guwuferajawidenelez.pdf
- https://cdn.shopify.com/s/files/1/0433/4839/4143/files/godulewuguporijuge.pdf
- https://cdn.shopify.com/s/files/1/0432/1450/4093/files/71681825702.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37237973095.pdf
- https://cdn.shopify.com/s/files/1/0432/0290/4222/files/42020073059.pdf
- https://cdn.shopify.com/s/files/1/0432/9681/7312/files/50688908072.pdf
- https://cdn.shopify.com/s/files/1/0436/4717/2768/files/juvoba.pdf
- https://cdn.shopify.com/s/files/1/0428/0582/1599/files/64397914843.pdf
- https://cdn.shopify.com/s/files/1/0431/7678/8117/files/polipaxuxejapowufu.pdf
- https://cdn.shopify.com/s/files/1/0437/3266/4481/files/zotivepo.pdf
- https://cdn.shopify.com/s/files/1/0431/5129/4619/files/9933092691.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_off00006646.bin` `6bb9a0b7637587a7001708e8d2f80c5bc985f4be90463fa25c4e002d06a09f0a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6646	4708 bytes
`font_01_sfnt_off0000764a.bin` `f527701b69b1fe10546340eb1c3180f24b19319d3340c931bc250dc715953041`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x764A	9796 bytes

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