MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains text related to a 'medical fitness certificate format for job word' and a URL pointing to a redirector. This suggests the document is designed to trick users into clicking malicious links, likely leading to further malware download or phishing attempts.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Embedded URL info EMBEDDED_URLOne 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://ttraff.com/pify?keyword=medical+fitness+certificate+format+for+job+word
- http://vojuzelug.enrichnaturals.com/uploads/1/3/1/6/131637284/dfb5fa0a3549a.pdf
- http://files.loploptravels.com/uploads/1/3/1/1/131163578/554e080ce29830.pdf
- http://files.matakanacommunitygroup.online/uploads/1/3/1/3/131384070/6366111.pdf
- http://files.henrycountycancerservices.com/uploads/1/3/1/4/131406714/45b0c5.pdf
- http://files.marketingmanusa.com/uploads/1/3/0/8/130813906/3971db1.pdf
- https://cdn.shopify.com/s/files/1/0430/7409/3217/files/lesunisaxi.pdf
- https://cdn.shopify.com/s/files/1/0431/8189/9944/files/canada_passport_renewal_form_for_child.pdf
- https://cdn.shopify.com/s/files/1/0431/2635/8173/files/jutobujojesosumaziwo.pdf
- https://cdn.shopify.com/s/files/1/0436/5965/7374/files/lefivolofa.pdf
- https://cdn.shopify.com/s/files/1/0432/4743/5940/files/tanobazuzuvaxoredovali.pdf
- https://cdn.shopify.com/s/files/1/0436/7558/2617/files/detukepokafutexaf.pdf
- https://cdn.shopify.com/s/files/1/0434/3506/5505/files/template_cv_format_word_gratis.pdf
- https://cdn.shopify.com/s/files/1/0434/4378/1792/files/best_free_reader_windows_10_2020.pdf
- https://cdn.shopify.com/s/files/1/0437/8080/0674/files/33521698258.pdf
- https://cdn.shopify.com/s/files/1/0447/0249/8970/files/the_book_of_enoch.pdf
- https://cdn.shopify.com/s/files/1/0439/2586/4603/files/chinese_english_visual_bilingual_dictionary.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000083c4.bina17885b4fd577e0298a64705d5055d2ac7c2363fd7008e9cf236b3df412a17d8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83C4 | 2828 bytes |
font_01_sfnt_off00008dbe.bin7a25f988ee3acd227543f3208538b3d346fc129f44f7288a221c7b828231581b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8DBE | 5480 bytes |
font_02_sfnt_off0000a059.bin198b903bd7b0cf24127d589f676fcab1a3aac9c5e9959c1cfd6871aca98ad395 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA059 | 9868 bytes |
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