PDF malware analysis — malicious · c853f3d9c7060fad

MALICIOUS

PDF

78.3 KB Created: 2021-03-18 21:38:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-25

MD5: f5fcc765b47a4bbf52d31f40bc010543 SHA-1: 27c5b8a98082995594777864638c4de9510c7b53 SHA-256: c853f3d9c7060fad737e47a965da8994d003a3fc929b17776dedf193f622e4a2

156 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a large number of external links, many of which point to Weebly and other free hosting services, suggesting a link farm or phishing campaign. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution. No scripts were extracted, but the PDF structure itself is used to host numerous URLs.

Machine Learning

Nyx PDF Classifier malicious score 0.9964

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
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.
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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://soxebez.ru/wix?keyword=the+actor%2527s+life+a+survival+guide+barnes+and+noble PDF link annotation
- https://topalezomezo.weebly.com/uploads/1/3/4/3/134305389/vidukugu.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4473890/normal_5fc5c08556821.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4386852/normal_5fe06180376f4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470687/normal_60516afd31248.pdfIn PDF document text
- https://tevejokufip.weebly.com/uploads/1/3/0/9/130969131/4128278.pdfIn PDF document text
- https://gujinaberukigav.weebly.com/uploads/1/3/1/8/131856979/dazukebuleravu.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4498330/normal_60032a88a5dcf.pdfIn PDF document text
- https://jafipununevov.weebly.com/uploads/1/3/0/8/130814040/5134054.pdfIn PDF document text
- https://sosojisizavawov.weebly.com/uploads/1/3/1/4/131454692/8826906.pdfIn PDF document text
- https://zemapefim.weebly.com/uploads/1/3/4/4/134485651/dogoru-zijine.pdfIn PDF document text
- https://kuwujevo.weebly.com/uploads/1/3/4/8/134864034/wifil_tizatibur_tidazozijeso_vusikutifofix.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367287/normal_600b4c8ddfeec.pdfIn PDF document text
- https://dizorewumuzesab.weebly.com/uploads/1/3/4/0/134012942/7459aab13ef48a.pdfIn PDF document text
- https://memibufosigi.weebly.com/uploads/1/3/1/3/131383384/gedibebedeboru.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/94f9861e-cfc1-432a-a4b8-6ef077fd1592/wagner_w15_steamer_instructions.pdfIn PDF document text
- https://s3.amazonaws.com/tuxexi/stem_and_leaf_worksheet.pdfIn PDF document text
- https://s3.amazonaws.com/wavunot/vepasegumimu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/08a13d23-de7e-4a7c-a44d-f59ca07a938d/53083934775.pdfIn PDF document text
- https://s3.amazonaws.com/xonobijikivo/idmgcext_idm_chrome_browser_extension_free.pdfIn PDF document text
- https://s3.amazonaws.com/jamuluvuvava/motorola_s10_hd_manual_espaol.pdfIn PDF document text
- https://s3.amazonaws.com/sukobogixe/aml_treatment_guidelines_uk.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3ca76541-33b1-4ef1-9ff1-f0ca6743186e/christopher_columbus_journal_of_the_first_voyage_to_america_analysis.pdfIn PDF document text
- https://s3.amazonaws.com/mogedozara/what_do_the_blue_and_red_colors_mean_on_snapchat.pdfIn PDF document text
- https://s3.amazonaws.com/zagapaxa/japidasubezerarifuwej.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/118af6ed-de79-4bbf-9af5-76ea7fa5f24f/effective_modern_c_github.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e941f2c2-2736-4c49-b471-02f7386453fc/nafakejisugugedaxosenomaw.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000f27c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF27C	5468 bytes
SHA-256: `f7a0851511c83261d66984edf8a097ebc542a21299974f77a3220492f3f691d4`
`font_01_sfnt_off00010517.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10517	11252 bytes
SHA-256: `651499cff4b0c3477dca5ea0537d7c9d56afa97b4f8ffceb6f9a142760063baf`

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