PDF malware analysis — malicious · 5960a00fd150b98f

MALICIOUS

PDF

35.7 KB Created: 2020-09-22 07:41:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 90af20a5160114437058335d24a6469f SHA-1: a8daacf671d3db6790f584f80242f1f4a8e6f12f SHA-256: 5960a00fd150b98f5bce96212208d1344814997d6e247e25e9707d3296a3760b

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 domains associated with link farms and redirectors. The document body, though heavily obfuscated, contains text related to a book title and URLs that appear to be part of an SEO poisoning or link farm scheme. The primary malicious URL identified is https://ttraff.me/wix?keyword=the+bedford+handbook+10th+edition+pdf+free, which likely serves as a redirector to further malicious content.

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.me/wix?keyword=the+bedford+handbook+10th+edition+pdf+free
- http://jopudi.weaitmusic.com/uploads/1/3/1/4/131483027/zubijutujuzoge_mosamejijosat.pdf
- http://files.msmchemistry.com/uploads/1/3/2/7/132740618/502859.pdf
- http://bikudi.wipinc.net/uploads/1/3/1/3/131383790/f8caf.pdf
- http://wugowama.memoriesofvignacourt.com/uploads/1/3/2/6/132680981/xiwazi_bamuxumup_bavas.pdf
- http://files.ctsulianah.com/uploads/1/3/1/4/131409090/mexudexalafelumul.pdf
- http://wibasus.columbiabands.org/uploads/1/3/1/3/131379730/jomavodeko.pdf
- https://dc33c77e-e8cd-4369-a884-9b73f743b2bd.filesusr.com/ugd/d5cf39_061e71100e0e478eb55361cb52250def.pdf?index=true
- https://c5c5e2b6-85b9-4b97-9a9f-620b8a0e8aa2.filesusr.com/ugd/575fb0_13b02dc16f864f4ca7ec2fae07e6244f.pdf?index=true
- https://6b05c426-24f3-425b-bd9d-3fc99594b89a.filesusr.com/ugd/b09e1d_7a52935128ce4ad1a9c51795e214ebb8.pdf?index=true
- https://470f0707-d963-409c-a2d9-bbac4a0c8acb.filesusr.com/ugd/33ab24_34be40cf3cc64104aa4425716d4988f3.pdf?index=true
- https://4d36acb3-462c-4411-8859-ec11d71b07a6.filesusr.com/ugd/bc4951_572d26d8289e4da2bd4bddb0ff4fceda.pdf?index=true
- https://60498d8a-cc0a-463f-b25e-f1e7633b42c5.filesusr.com/ugd/0dd040_ae324e4fdf1347ebb9e6ecab632463c5.pdf?index=true
- https://4e2ec9c4-1f8b-4f3b-95de-f21cea943d57.filesusr.com/ugd/3de8a6_cf589b6a69c44d95a2d3a321780f27cb.pdf?index=true
- 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_off000043f7.bin` `0b881e38d9c46212ef8c9bc43b069f4d52d01fe0fc5140c26f3bcb3a95e3bd11`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x43F7	5056 bytes
`font_01_sfnt_off0000550e.bin` `b8d00e8cd916215908b417d890f50ddbff2459624c71eaf03fbb5d5a01b9fa86`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x550E	9056 bytes
`font_02_sfnt_off000073f8.bin` `1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x73F8	4324 bytes

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