PDF malware analysis — malicious · d9a6ee7e163c7e80

MALICIOUS

PDF

42.1 KB Created: 2020-08-09 00:17:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a017b37fb7741273bb33c002ba6bc32b SHA-1: c144cf567024d9dd19193213634a660c16355d93 SHA-256: d9a6ee7e163c7e807ec29f20294c2c5440f9cc76f834450d5b534dd8ade88998

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.cc/pify?keyword=boy+s+life+pdf'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many of which point to Shopify domains. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the malicious URL and several other PDF links, suggesting a lure to external content.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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=boy+s+life+pdf
- http://files.frederickdeeben.com/uploads/1/3/0/9/130969761/6791846.pdf
- http://files.collettecollingeart.com/uploads/1/3/0/7/130775735/pofezibikamok_mopilaf_povebun_mobumuzonine.pdf
- http://files.mindfulawakening108.com/uploads/1/3/0/7/130775375/bf7f3f1defad8.pdf
- http://files.chachasconfections.net/uploads/1/3/1/6/131607777/8596601cdd5d82e.pdf
- https://cdn.shopify.com/s/files/1/0429/7519/9391/files/lipiwetivajejuxete.pdf
- https://cdn.shopify.com/s/files/1/0432/0965/4434/files/romuwesuwonajixodaze.pdf
- https://cdn.shopify.com/s/files/1/0436/2692/2146/files/dominion_power_outage_map.pdf
- https://cdn.shopify.com/s/files/1/0431/2940/5600/files/44986783470.pdf
- https://cdn.shopify.com/s/files/1/0434/5865/8469/files/25635777674.pdf
- https://cdn.shopify.com/s/files/1/0429/9902/1717/files/66407879660.pdf
- https://cdn.shopify.com/s/files/1/0431/5004/9448/files/bach_bourree_guitar.pdf
- https://cdn.shopify.com/s/files/1/0438/4188/0224/files/37883665608.pdf
- https://cdn.shopify.com/s/files/1/0430/6845/7122/files/xowutidadevuvezaripulol.pdf
- https://cdn.shopify.com/s/files/1/0448/3658/5629/files/uefa_champions_league_anthem_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0437/0300/9430/files/47208363570.pdf
- https://cdn.shopify.com/s/files/1/0434/3015/0296/files/15708914710.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_off00006727.bin` `dca96416a6108bfa78bb213004c3bd2f531df3c6ae075eb334d7679ab0910e72`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6727	4880 bytes
`font_01_sfnt_off000077ec.bin` `d123a2dfaeb3da7cd06cc133b38bb5bd8dd5edece983dfecabb0e64822a58ea9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x77EC	10544 bytes

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