PDF malware analysis — malicious · 889530c4a684cf1a

MALICIOUS

PDF

59.1 KB Created: 2020-12-11 08:54:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-08-25

MD5: a9b866c95604a3038a90476caa0b81ca SHA-1: b42e613d121dae8f23e04d86b9da75907fb72ad5 SHA-256: 889530c4a684cf1af1ed977768270654ef700bd896e97beb7fd8b764cf906537

192 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector, identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. The link's UTM parameters suggest a lure related to common software tasks, such as removing passwords from Excel. This indicates a phishing or malware distribution attempt. No scripts were extracted, but the presence of a malicious redirector strongly suggests the document's purpose is to lead the user to a harmful destination.

Machine Learning

Nyx PDF Classifier malicious score 0.6200

Heuristics 4

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

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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.
Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK

PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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://cctraff.ru/aws?utm_term=remove+password+from+excel+2013+worksheet In PDF document text
- https://guxafewesev.weebly.com/uploads/1/3/4/5/134595620/matirim_kekijo_tiletefaruweki_pukej.pdfIn PDF document text
- https://mipirizu.weebly.com/uploads/1/3/2/6/132682564/9622818.pdfIn PDF document text
- https://sixifemawo.weebly.com/uploads/1/3/4/4/134470876/9706344.pdfIn PDF document text
- https://fikosaxan.weebly.com/uploads/1/3/4/7/134753192/7870091.pdfIn PDF document text
- https://s3.amazonaws.com/bupijila/lesegataja.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc0dd9b8ef7301f8b108504/t/5fc1ac97e6d49a06bbd18f88/1606528152187/rl_price_docs.pdfIn PDF document text
- https://s3.amazonaws.com/tibanepoxilibud/78613994061.pdfIn PDF document text
- https://s3.amazonaws.com/wilugugo/gawokadaramosamowofaze.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ce61f2dc-d78c-489b-aca6-8e8b1a69a22e/32392985459.pdfIn PDF document text
- https://s3.amazonaws.com/gezejoputiwinu/keratina_sin_formol_en_el_embarazo.pdfIn PDF document text
- https://s3.amazonaws.com/lorifumofelu/file_crack_photoshop_cc_2019.pdfIn PDF document text
- https://s3.amazonaws.com/pozokimepe/22300117559.pdfIn PDF document text

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PDF

Malware Insights

Machine Learning

Heuristics 4

Related samples 8