PDF malware analysis — malicious · 98595e3f76f1ce91

MALICIOUS

PDF

50.0 KB Created: 2020-08-20 22:00:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 52468e9c41c526a4f52c31ad8ee3b391 SHA-1: 1d2e19b578a5b5e5c8e5d63867aedfc6502f45d1 SHA-256: 98595e3f76f1ce910118f21dd11f823b1394b2cdbdbff02d80e448f9b9000de7

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links, many pointing to domains associated with link farms and redirectors. One critical heuristic identified a link to known malicious redirector infrastructure at https://ttraff.com/pify?keyword=definicion+de+habitos+alimentarios+pdf. The document body, though heavily obfuscated, contains references to the same URL and other Shopify-hosted PDF files, suggesting a coordinated effort to drive traffic to potentially malicious sites.

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=definicion+de+habitos+alimentarios+pdf
- http://files.tacos5demayo2.com/uploads/1/3/1/4/131483184/1a2f7ba6d908.pdf
- http://files.junpengli.com/uploads/1/3/1/8/131858540/9099d33f8650a.pdf
- http://files.picknrollnconnect.com/uploads/1/3/1/6/131606552/1950148.pdf
- http://sinonarig.justaddpixiedustblog.com/uploads/1/3/0/8/130874038/2019027.pdf
- http://gibopixaf.thelodgeofstgeorge.org/uploads/1/3/1/6/131607095/dezizarew-junonifum.pdf
- https://cdn.shopify.com/s/files/1/0435/5378/3957/files/lasopibinakun.pdf
- https://cdn.shopify.com/s/files/1/0431/4903/3640/files/call_center_metrics.pdf
- https://cdn.shopify.com/s/files/1/0431/5509/5712/files/73644610241.pdf
- https://cdn.shopify.com/s/files/1/0436/3993/1033/files/19820734330.pdf
- https://cdn.shopify.com/s/files/1/0437/4872/0789/files/tiroropoxezinad.pdf
- https://cdn.shopify.com/s/files/1/0429/3296/1443/files/purimigulokaj.pdf
- https://cdn.shopify.com/s/files/1/0427/4293/9814/files/39692467140.pdf
- https://cdn.shopify.com/s/files/1/0433/6392/6174/files/giborofefitipezaloliton.pdf
- https://cdn.shopify.com/s/files/1/0431/1010/5237/files/fundamentals_of_computational_swarm_intelligence.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/57148414383.pdf
- https://cdn.shopify.com/s/files/1/0434/1461/8262/files/93054332242.pdf
- https://cdn.shopify.com/s/files/1/0429/2247/5687/files/nixuriwidole.pdf
- https://cdn.shopify.com/s/files/1/0432/9698/1147/files/xegigabugabinepufixofufe.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_off000081bb.bin` `3dd05e1f2237b1deb3252cff8f7f99f0d5840b61f3d92ff2daa25ec2baaf5be7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x81BB	5532 bytes
`font_01_sfnt_off00009457.bin` `1fd83cc11dc95801c4e3e0ac719bf193a82d68dd3146e5f4fe10c305ab61ff43`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9457	11100 bytes

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