PDF malware analysis — malicious · b312af6fe8f82693

MALICIOUS

PDF

42.3 KB Created: 2020-08-21 11:06:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7bdab008296c03655f4d4ed25bb028d8 SHA-1: 686fe6fcc76d78980a4e35460005bc129e6452c3 SHA-256: b312af6fe8f826935c2fd0e61257f2fbcadf1151976f039f03023c1681020a23

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains numerous embedded links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure for an 'Afcat 2 2015 answer key pdf'. The primary malicious URL, 'https://ttraff.cc/pify?keyword=afcat+2+2015+answer+key+pdf', is a critical finding, indicating a likely phishing or malware distribution attempt.

Heuristics 4

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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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=afcat+2+2015+answer+key+pdf
- http://bojopaton.bavardmusic.com/uploads/1/3/0/7/130775982/tisuzuwogi.pdf
- http://xabela.heritagekitchenfood.com/uploads/1/3/1/4/131453133/fejibapirozakif-dojanimulolu.pdf
- https://cdn.shopify.com/s/files/1/0430/4109/5834/files/70440374575.pdf
- https://cdn.shopify.com/s/files/1/0429/9702/2879/files/kigosogifetokiziki.pdf
- https://cdn.shopify.com/s/files/1/0432/0883/5229/files/wudalu.pdf
- https://cdn.shopify.com/s/files/1/0437/3122/2677/files/pibaki.pdf
- https://cdn.shopify.com/s/files/1/0433/8089/9991/files/salukimukokeninusobif.pdf
- https://cdn.shopify.com/s/files/1/0432/7188/0870/files/kofotapi.pdf
- https://cdn.shopify.com/s/files/1/0440/5706/7685/files/14003611422.pdf
- https://cdn.shopify.com/s/files/1/0439/2960/0168/files/kewakonizunevizudifegajim.pdf
- https://cdn.shopify.com/s/files/1/0429/8565/2375/files/raxuxodamogijuzidi.pdf
- https://cdn.shopify.com/s/files/1/0430/3778/6266/files/45149406281.pdf
- https://cdn.shopify.com/s/files/1/0440/4514/0118/files/synonyms_list_for_ielts_reading.pdf
- https://cdn.shopify.com/s/files/1/0431/7233/1682/files/strategic_marketing_planning_process_steps.pdf
- https://cdn.shopify.com/s/files/1/0429/2398/3001/files/carton_packaging_design.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_off00005c19.bin` `9888a071b28ed8f5887ab78e9e961d3cde3ad048b0f22ae041d05029cc0ba357`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5C19	5816 bytes
`font_01_sfnt_off00007010.bin` `057043b34f38994a4ab339d5162f19248842685cfd9bd28f167fbd4920d628d1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7010	14272 bytes

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