PDF malware analysis — malicious · 9327d14672824e1b

MALICIOUS

PDF

53.9 KB Created: 2020-08-31 06:01:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 02a5454b272b0fa420d155a9e2035c6d SHA-1: 7a6295a6c46648d7475b0226ed73a1461365d080 SHA-256: 9327d14672824e1b5abb155b8c7ba5010cf15c9800fa8ee0ed64635476bdc94c

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a prominent link that masquerades as a download for a "Crane rigging handbook pdf". This link redirects to a known malicious domain (ttraff.ru), indicating a phishing or malware distribution attempt. The presence of a "download button" heuristic further supports the lure-based attack pattern. While the document body is heavily obfuscated, the embedded URLs and heuristics clearly point to a malicious redirector.

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.ru/wix?keyword=crane+rigging+handbook+pdf
- https://cdn.shopify.com/s/files/1/0433/8217/7946/files/zuvovimisigexovaf.pdf
- https://cdn.shopify.com/s/files/1/0434/3716/2657/files/41300085494.pdf
- https://cdn.shopify.com/s/files/1/0430/9411/4465/files/kibugiwuw.pdf
- https://static.usrfiles.com/ugd/696117_1c18a4f580424ccea09cdace46de1456.pdf
- https://static.usrfiles.com/ugd/fa6f14_402391d53ef44b309049ce20af9b177e.pdf
- https://static.usrfiles.com/ugd/b8c837_75af4c98b558483ab5b7d42cc283ab75.pdf
- https://static.usrfiles.com/ugd/136d07_93ddb3d118da489687654ed7880769b3.pdf
- https://static.usrfiles.com/ugd/b7082a_c3aa6a2a913d46f19b05823ed8949a30.pdf
- https://static.usrfiles.com/ugd/b13fd1_f6adb113b6cc404990798967790dd657.pdf
- https://cdn.shopify.com/s/files/1/0438/1615/7344/files/filoboworikujidazog.pdf
- https://cdn.shopify.com/s/files/1/0437/1709/9685/files/vodujazozexatatula.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_off00007e55.bin` `a17885b4fd577e0298a64705d5055d2ac7c2363fd7008e9cf236b3df412a17d8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7E55	2828 bytes
`font_01_sfnt_off0000884f.bin` `ab5a4b48391d4f33365b4fa456d41dc70f39c06d7b47aad2de7b76a71e7f627a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x884F	5028 bytes
`font_02_sfnt_off0000994c.bin` `62a85267232c08dac226ea842d14d59ddad87b7c9acab060e13a9ba6600775fa`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x994C	10320 bytes
`font_03_sfnt_off0000bc55.bin` `1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBC55	4324 bytes

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