PDF malware analysis — malicious · c2cb9a72713ec98d

MALICIOUS

PDF

45.1 KB Created: 2020-08-04 07:27:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 76bace20954d557bfbd0d223d1269408 SHA-1: fba12b8b37236de36d8eb8aefe1c8d9f0b4334fa SHA-256: c2cb9a72713ec98d9687284875540db747811c32de0b37cc61602ce00c34758e

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains numerous embedded links, with a critical heuristic identifying it as a malicious redirector. One prominent link, 'https://ttraff.com/pify?keyword=absceso+amigdalino+tratamiento+pdf', is flagged as malicious. The document body, though heavily obfuscated, contains references to medical treatment and URLs, suggesting a lure to external malicious content. The presence of multiple Shopify URLs, while some are benign, indicates a pattern of using legitimate platforms to host or distribute malicious content.

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=absceso+amigdalino+tratamiento+pdf
- http://files.tynycoedsurgery.com/uploads/1/3/1/6/131637679/d3b0f51dc967a.pdf
- http://files.lastdaymedia.com/uploads/1/3/0/7/130740316/selovor-pizizubamem-wawigo-situsejolakewak.pdf
- http://files.nowakemusic.com/uploads/1/3/0/7/130739826/fawafo.pdf
- http://files.briankhorsand.com/uploads/1/3/0/7/130739069/69111a8a53.pdf
- https://cdn.shopify.com/s/files/1/0430/4447/0945/files/revotodakijenatum.pdf
- https://cdn.shopify.com/s/files/1/0431/1918/1978/files/sears_roto_spader_785_manual.pdf
- https://cdn.shopify.com/s/files/1/0430/3273/9989/files/83189795125.pdf
- https://cdn.shopify.com/s/files/1/0434/6147/6509/files/remote_desktop_portnumber.pdf
- https://cdn.shopify.com/s/files/1/0432/2790/6206/files/fozeravikimibibowin.pdf
- https://cdn.shopify.com/s/files/1/0432/5412/0606/files/52260994093.pdf
- https://cdn.shopify.com/s/files/1/0437/7152/7330/files/54647987746.pdf
- https://cdn.shopify.com/s/files/1/0434/5397/2633/files/92072430680.pdf
- https://cdn.shopify.com/s/files/1/0430/0262/6202/files/50338533850.pdf
- https://cdn.shopify.com/s/files/1/0433/1290/6405/files/88872979687.pdf
- https://cdn.shopify.com/s/files/1/0438/8562/5499/files/marketing_segmentation_book.pdf
- https://cdn.shopify.com/s/files/1/0429/5933/9674/files/guwikefomuzi.pdf
- https://cdn.shopify.com/s/files/1/0430/5285/9543/files/xufekakuxidoxowelo.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_off00006e32.bin` `08a12ac725b7d7159b89fe79c5175bbe9a1dc10e7161dbe5238eb8933f910d60`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6E32	5604 bytes
`font_01_sfnt_off00008129.bin` `7b5e290b2f9ad5ccddd638c751a3a997ebda262aeb49d5f713ed94e4fbe60439`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8129	11364 bytes

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