PDF malware analysis — malicious · c2c90e88efc78e56

MALICIOUS

PDF

48.0 KB Created: 2020-12-18 00:34:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 760153844ea926b797bfd451edbc3c52 SHA-1: 799cacacb65064076541c8565f56e497351a3105 SHA-256: c2c90e88efc78e56d579e569f3273678c1600fde62ed693bbe5486c4e81b2e22

212 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains multiple embedded URLs, with one identified as a malicious redirector. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' and 'PDF_SEO_LINK_FARM' strongly indicate malicious intent, likely to redirect users to phishing or malware sites. The ML classifier also flagged this PDF with high confidence. While no scripts were extracted, the presence of malicious links and the overall structure suggest a phishing or downloader attack.

Machine Learning

Nyx PDF Classifier malicious score 0.9379

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

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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://ggtraff.ru/strik?utm_term=piedmont+public+schools+powerschool
- https://mijekuwovosi.weebly.com/uploads/1/3/4/3/134321571/501721.pdf
- https://xiworibamenu.weebly.com/uploads/1/3/4/7/134728691/7fe6bd478938e.pdf
- https://lijasefevofik.weebly.com/uploads/1/3/4/8/134889997/5d9e9511.pdf
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbcf07e1491241adc445f65/1606217855172/umich_physics_240_textbook.pdf
- https://s3.amazonaws.com/dadupawo/10699922418.pdf
- https://static1.squarespace.com/static/5fc07d836b97992eb55a0df7/t/5fc0e2953570fb44d123be31/1606476439859/t7_power_max_cost.pdf
- https://static1.squarespace.com/static/5fc37324df132613bbcddee0/t/5fc87c62b0f45b2a3d272254/1606974564047/syberia_2_game_length.pdf
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbd0b0368bfc5186169c63e/1606224645516/pro_forma_balance_sheet_using_percent_of_sales_method.pdf
- https://s3.amazonaws.com/padoragog/39174313114.pdf
- https://static1.squarespace.com/static/5fc0dd9b8ef7301f8b108504/t/5fcbc70a1ef6d1662ff7cf9a/1607190284637/48489018583.pdf
- https://s3.amazonaws.com/lefemijip/20541506520.pdf
- https://static1.squarespace.com/static/5fc06b148139af037642cc0d/t/5fc35deaa97599144e62e9f4/1606639082582/jakanosul.pdf

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