PDF malware analysis — malicious · 5183a0a7c732e05d

MALICIOUS

PDF

45.4 KB Created: 2020-08-19 19:08:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 8b46f0075870eb51d5bbf4d0e76ae21b SHA-1: aa38d72cec9c41980ddc91d20657cfe0a2e2450a SHA-256: 5183a0a7c732e05da6e1e87479dfcbdc9b6278c42eb043d9c5736bebdadc84f3

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 of which point to a link farm hosted on Shopify. One critical heuristic identified a link to a known malicious redirector, ttraff.cc, which is used to obscure the final destination. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=bible+tagalog+version+free', suggesting a lure related to free Bible resources. The presence of multiple unknown URLs also indicates a potential for further malicious activity.

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=bible+tagalog+version+free
- http://dowumemor.httanning.com/uploads/1/3/1/4/131437308/davoze_tiwazo_mebevibosusa_levulelubape.pdf
- http://files.homeworshipping.com/uploads/1/3/2/6/132681664/gepegom_zodinifirenu_ridax_bozoxewerex.pdf
- http://files.flipconsultants.com/uploads/1/3/0/8/130874347/zigunodegolidota.pdf
- https://cdn.shopify.com/s/files/1/0434/4188/1253/files/28985517261.pdf
- https://cdn.shopify.com/s/files/1/0428/9291/8937/files/24587289395.pdf
- https://cdn.shopify.com/s/files/1/0433/3522/1403/files/mbti_manual.pdf
- https://cdn.shopify.com/s/files/1/0436/4497/7305/files/collins_cambridge_checkpoint_english_coursebook_8_answers.pdf
- https://cdn.shopify.com/s/files/1/0430/9378/6791/files/92923950226.pdf
- https://cdn.shopify.com/s/files/1/0431/5398/1594/files/sedudufu.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/25696514874.pdf
- https://cdn.shopify.com/s/files/1/0448/4064/8861/files/xosakesusumekagi.pdf
- https://cdn.shopify.com/s/files/1/0427/5752/1574/files/kojoreriwavep.pdf
- https://cdn.shopify.com/s/files/1/0429/0691/0876/files/gelorulinab.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005267.bin` `c139e06a5605a2e320abeedcb4ca7b93a383df7dc80d2603491744ca27a0f649`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5267	5184 bytes
`font_01_sfnt_off00006419.bin` `dae0f12506c17deaa818396cb86411da2f7a72f10e575d6fda98e021880a3e82`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6419	2744 bytes
`font_02_sfnt_off00006fc4.bin` `3414db70513b0bd623359600dfa508cba6515cd3eed953f2155adeb0c513f6fd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6FC4	10292 bytes
`font_03_sfnt_off0000932f.bin` `bcfecb9fde4b74e4a2b692e15caf305b2988a1cfe4c6386614002e38d35feb86`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x932F	16168 bytes

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