PDF malware analysis — malicious · 8074d5983a6e00d7

MALICIOUS

PDF

81.8 KB Created: 2021-03-22 06:54:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: ca11c048f3e6b127ddbd026e45e9411a SHA-1: f11d56feae5515cbfa29d27ec004f89e38dbbb23 SHA-256: 8074d5983a6e00d721b5bdd305a13e2b57fa4a2616ced062508dd58e5d9a69c2

94 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was detected as malicious by ClamAV and an ML classifier. It contains an embedded URI pointing to a URL that appears to be a lure for downloading content, likely malicious. The document body, though heavily obfuscated, contains text related to 'Aadu valarpu tamil pdf free download', reinforcing the phishing pretext. No scripts were extracted, but the presence of external URIs suggests a download or redirection attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.5556

Heuristics 3

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
External URI info PDF_URI

PDF contains an external URL action
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://jacksth.ru/award?keyword=aadu+valarpu+tamil+pdf+free+download
- https://cdn-cms.f-static.net/uploads/4472774/normal_600b3a136aa3d.pdf
- https://cdn-cms.f-static.net/uploads/4469638/normal_60257e8d10225.pdf
- https://cdn-cms.f-static.net/uploads/4370089/normal_6024f5376276d.pdf
- http://zunololanuxigu.sportsontheweb.net/engineering_drawing_sectional_views.pdf
- https://static.s123-cdn-static.com/uploads/4462352/normal_5ff7ba0b71201.pdf
- https://cdn-cms.f-static.net/uploads/4387430/normal_600ddd5cab4c4.pdf
- https://static.s123-cdn-static.com/uploads/4465025/normal_5ff28569bf2cf.pdf
- https://cdn.sqhk.co/nuduniguwufo/jggJhb9/zazosujenuwonugewire.pdf
- http://kitazixozakabu.sportsontheweb.net/map_of_europe_countries_and_capitals.pdf
- https://cdn.sqhk.co/rotuzuwibi/ge3gfhe/pinouts_for_usb.pdf
- http://gakagebir.mypressonline.com/description_of_people_s_physical_appearance_exercises.pdf
- https://cdn-cms.f-static.net/uploads/4464082/normal_60461dab1c9b1.pdf
- https://cdn-cms.f-static.net/uploads/4378378/normal_600b746c638cd.pdf
- http://fijexojor.getenjoyment.net/panasonic_kx-tge274s_review.pdf
- https://static.s123-cdn-static.com/uploads/4384839/normal_5ffb6e24e4f75.pdf
- http://bibuzikufaje.mygamesonline.org/best_bayesian_statistics_online_course.pdf
- https://cdn-cms.f-static.net/uploads/4451377/normal_6016075e03a52.pdf
- https://static.s123-cdn-static.com/uploads/4460983/normal_60017ff17f2da.pdf
- https://cdn-cms.f-static.net/uploads/4445743/normal_605709a399b61.pdf
- https://cdn-cms.f-static.net/uploads/4475563/normal_60472b6c3e4b1.pdf
- http://fedorahosted.org/lohit
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://gozidonozali.myartsonline.com/how_to_come_up_with_a_title_for_research_paper.pdf
- http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off0000fce6.bin` `c095aa40a93c199a09b2fef8f096cf48acc782941146739439ca32d4cf39c100`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0xFCE6	19084 bytes
`font_00_sfnt_off0000eb62.bin` `8d20ce6f72dec1829b73df63c86bb41a52141ea1570762218895006c70df941d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEB62	5148 bytes
`font_02_sfnt_off0001274e.bin` `346f05ecf4cfcef4170a4d640553d1f2316e7c7786fd2515638a5fc728afe889`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1274E	10764 bytes

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