PDF malware analysis — malicious · df361f5a063c372d

MALICIOUS

PDF

45.6 KB Created: 2020-08-24 07:03:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: acaf437d525886d9583f5e460ef1a93e SHA-1: 30147f5a13fb0c1fd6dd1c494de905ce84c3fd48 SHA-256: df361f5a063c372dfdae0f2b353462fbbc271dffa766c04d5bdc86f76e78a393

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains multiple embedded links, with one specifically pointing to a known malicious redirector infrastructure. The document body, though partially corrupted, contains the text 'Old odia film bhajan song' and the URL 'https://ttraff.cc/pify?keyword=old+odia+film+bhajan+song', suggesting a lure to a malicious site. The presence of a PDF link farm heuristic further indicates a malicious intent to distribute links. No scripts were extracted, but the PDF structure and embedded links are sufficient to infer a phishing or redirection attack.

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=old+odia+film+bhajan+song
- http://povifi.manubio.com/uploads/1/3/0/9/130969336/jimabawi_mimisexexo.pdf
- http://piguzemav.breezyshoresmininubians.com/uploads/1/3/2/6/132681946/jesanudozatibek.pdf
- https://cdn.shopify.com/s/files/1/0427/6148/6503/files/sutelanasi.pdf
- https://cdn.shopify.com/s/files/1/0431/1498/7669/files/57593298254.pdf
- https://cdn.shopify.com/s/files/1/0431/0564/8801/files/fomufunufudaxekekavu.pdf
- https://cdn.shopify.com/s/files/1/0429/0917/1871/files/alien_isolation_xenomorph_vs_android.pdf
- https://cdn.shopify.com/s/files/1/0429/6658/1407/files/16957866667.pdf
- https://cdn.shopify.com/s/files/1/0432/2770/9597/files/46434042127.pdf
- https://cdn.shopify.com/s/files/1/0433/0032/3478/files/bufotavam.pdf
- https://cdn.shopify.com/s/files/1/0436/3960/3360/files/zaduxajekojadudilolofo.pdf
- https://cdn.shopify.com/s/files/1/0433/0084/7781/files/fall_out_boy_centuries_song_free.pdf
- https://cdn.shopify.com/s/files/1/0431/7030/0065/files/matricom_g_pad_bx.pdf
- https://cdn.shopify.com/s/files/1/0431/0990/8642/files/25584200787.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006727.bin` `bde4a97b16b6a6f9a66d684258e150f9941aabe07b33a48353daa512c4733cb8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6727	5060 bytes
`font_01_sfnt_off0000782f.bin` `570e996deeb0bf9d3271d940a3eae07d552ac8e47337ad2712739f6d4b293a30`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x782F	10244 bytes
`font_02_sfnt_off00009b4e.bin` `1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9B4E	4324 bytes

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