PDF malware analysis — malicious · 9fdf9b52d3e3a838

MALICIOUS

PDF

37.5 KB Created: 2020-08-19 04:16:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 6692d7e2a06cbfe82a7cc331c5634c01 SHA-1: edbee850485bb34624c950036cc2d9fb05c8fff1 SHA-256: 9fdf9b52d3e3a838b6898ed43460a40a2a1cbb0f6bbb079058cec0a406024d26

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains multiple embedded links, with one identified as a malicious redirector. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK indicates that the link https://ttraff.com/pify?keyword=space+cowboy+guitar+pdf is part of known malicious infrastructure. The PDF_SEO_LINK_FARM heuristic further suggests a large number of external PDF links, likely for SEO manipulation or to obscure the malicious redirector. The document body is heavily obfuscated and contains the malicious URL, reinforcing the attack pattern.

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=space+cowboy+guitar+pdf
- http://files.patrickmcguire.org/uploads/1/3/1/6/131606605/8730414.pdf
- http://files.hereshegrowsagain.com/uploads/1/3/0/7/130775111/tagifikego.pdf
- http://files.public-school-library.com/uploads/1/3/1/4/131452867/gomavudozamet-burosibafiguv-nivuripuz-venuwutelawa.pdf
- http://files.caliraeshautespot.com/uploads/1/3/2/7/132741029/lademonodubu_wabuniparinebex_genofepuj.pdf
- https://cdn.shopify.com/s/files/1/0431/4664/1570/files/93035180157.pdf
- https://cdn.shopify.com/s/files/1/0428/0241/3735/files/popubu.pdf
- https://cdn.shopify.com/s/files/1/0434/7258/4870/files/38773792611.pdf
- https://cdn.shopify.com/s/files/1/0433/0032/3478/files/chirutha_telugu_full_movie_free_hd.pdf
- https://cdn.shopify.com/s/files/1/0428/5680/8615/files/rukumiva.pdf
- https://cdn.shopify.com/s/files/1/0438/9571/8040/files/77432910243.pdf
- https://cdn.shopify.com/s/files/1/0431/5476/8021/files/77907460081.pdf
- https://cdn.shopify.com/s/files/1/0432/6385/2708/files/rapef.pdf
- https://cdn.shopify.com/s/files/1/0432/8806/8254/files/dexonuperuv.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mefiwi.pdf
- https://cdn.shopify.com/s/files/1/0431/9979/1268/files/53048401324.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_off00004998.bin` `347542ec28cfd9bdb38cff0e7845f3499b29dd4a08266e6d6d731835f498998e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4998	5328 bytes
`font_01_sfnt_off00005bd3.bin` `20eeacebea1c7c41799b5a7e65292ff360fdd1750ec6665741073f3dba6c75e9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5BD3	9288 bytes
`font_02_sfnt_off00007b42.bin` `05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7B42	4324 bytes

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