PDF malware analysis — malicious · 5eeaf56b1a3e0974

MALICIOUS

PDF

124.9 KB Created: 2021-06-20 19:05:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-31

MD5: 40e10d83b260fdbdeabbb6fe5ff5a192 SHA-1: 6dbe1b81ae087e9bd101ae3659870b518b1c0cca SHA-256: 5eeaf56b1a3e0974360d6312f3146a7033a1acf63a7e124660a8d0a8da5f2554

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a link farm pointing to multiple compromised websites, suggesting an attempt to redirect users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of numerous links on potentially compromised CMS uploads and disposable hosting reinforces the phishing and download lure attack pattern.

Machine Learning

Nyx PDF Classifier malicious score 0.8441

Heuristics 5

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 link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM

PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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 http://quiltingacademy.com/fckeditor/userfiles/file/85564384172.pdf In PDF document text
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1608930aa36f37---jogin.pdfIn PDF document text
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/f53f3cf4e21cb2c476ba72775b896827/pojewe.pdfIn PDF document text
- http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099a5abce47e---somamuxajoru.pdfIn PDF document text
- https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/5dbcefdeeaed826c05487d75ce537b95/tovixax.pdfIn PDF document text
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/b026c47e5a44c2edcd1dbaf9d417ee7b/85268764887.pdfIn PDF document text
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bea5b35a043---7578318832.pdfIn PDF document text
- http://riskhedgetech.com/uploaded/file/74619798660928f212b271.pdfIn PDF document text
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/3952f33e6998b57778c94d7f003f7fa2/tilubefopajo.pdfIn PDF document text
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/0sd5humbudrjllljh6ev1f1hud/35756678101.pdfIn PDF document text
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/v8mp23lr39vjaq9emv8jboflj7/83902193948.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16073e11d5f64b---17024662179.pdfIn PDF document text
- http://ajisushionline.com/uploads/files/visamigulamizuzagujefiw.pdfIn PDF document text
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/7b8ms355i29s0p3mi6ah0o3n0a/65913976185.pdfIn PDF document text
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/p7dgbvp99p8j2km0jaahvl33m6/20319839282.pdfIn PDF document text
- https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/b07b851982ea739882f0affacfe97df3/58956532755.pdfIn PDF document text
- https://gfow.om/wp-content/plugins/super-forms/uploads/php/files/bu2lbaoav44c70nll70di0n5pp/79902530055.pdfIn PDF document text
- http://accessprecision.com/userfiles/file/56821870293.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=stickman+party+1234+apkPDF link annotation
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00010fb2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10FB2	6440 bytes
SHA-256: `3d4760ca295192c89086870ebbac49c5a5945404ea6ab57fca452cf2db5f569a`
`font_01_sfnt_off00011f76.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11F76	70620 bytes
SHA-256: `04199abbd6a34fb4d220f4acf12f40bb47f8419b91633c47e375b5f972a9468b`
`font_02_sfnt_off0001d7b2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1D7B2	5132 bytes
SHA-256: `6d5bf137d0e51b536fb7ddb22231f44172414590f331bee6fb8391a8060461df`

Open this report in the interactive analyzer, or submit your own file for analysis.