PDF malware analysis — malicious · c29c1af9c904bd55

MALICIOUS

PDF

84.3 KB Created: 2021-07-03 17:59:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-09-16

MD5: 14a048ab1891b3df90e4befbda0a0557 SHA-1: fa773298bfe0ebf6348b635d9c2d6f40b58065f1 SHA-256: c29c1af9c904bd5518ceadf52a7c829d48392729eb6a2cf77d6b9e77e8105c2e

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous links, many pointing to compromised WordPress sites, suggesting a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the structure and URL patterns are consistent with malicious PDF lures.

Machine Learning

Nyx PDF Classifier malicious score 0.6745

Heuristics 5

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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 https://infrive.ru/uplcv?utm_term=5+main+branches+of+chemistry PDF link annotation
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/491d13ebbb2fa7aa16d58e1bfb054659/pokotuzamorerojatet.pdfIn PDF document text
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/b6ec64462515b01585b7cb23baed2c73/61272049790.pdfIn PDF document text
- https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093aaa2c3001---kunavezovabor.pdfIn PDF document text
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/9c3ac674a25e4684ff6e80e89d82dceb/27935396191.pdfIn PDF document text
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c5f3411f23e---28469498583.pdfIn PDF document text
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607fc2b10cb94---44006871365.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a092a7a0ce8---delesobupolu.pdfIn PDF document text
- http://zuche0551.com/upload/file/52386494222.pdfIn PDF document text
- http://gocreate.termall.pl/upload/fck/file/86603644666.pdfIn PDF document text
- http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/160875ab000ff4---85245083613.pdfIn PDF document text
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/rrk53s31e4jnmhokjbigd7vo1o/vesaletapadinikaj.pdfIn PDF document text
- http://kengosushionlineorder.com/uploads/files/86949046334.pdfIn PDF document text
- http://acupunctuuryao.nl/ckfinder/userfiles/files/fujorebiwikupuna.pdfIn PDF document text
- http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6be1e4af6e---lifudupu.pdfIn PDF document text
- https://hagepoorter.be/files/files/zodekire.pdfIn PDF document text
- http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16074bf8d0a455---10472524769.pdfIn PDF document text
- http://aeronautike.com/userfiles/file/67926705283.pdfIn PDF document text
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d0dacd692e---18265850504.pdfIn PDF document text
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/90chrgr2ul73qmqn46t723lgvc/98069036995.pdfIn PDF document text
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/5b21efa4cf9f734c751127fb029bb9db/gawiwawonus.pdfIn PDF document text
- http://xn--rssx31a7tec6p.com/upload/userfiles/files/20210628120738.pdfIn PDF document text
- http://microcement.ua/userfiles/file/rinufatexalaj.pdfIn PDF document text
- https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/3jtnot638duth6lva9vqbg26o0/78173497447.pdfIn PDF document text
- https://lawina-radom.pl/files/file/54489883135.pdfIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000114d5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x114D5	10844 bytes
SHA-256: `0771727bc6535b493de545278de68bfb1d98e9c4c652578ae0fe10f196e65a24`
`font_01_sfnt_off00012db3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12DB3	15936 bytes
SHA-256: `93ab1b5bdf4e2dff7b463f31f550705f0d7cfb0234bba51f0342e21b0368f04b`

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