MALICIOUS
194
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 primary malicious URL identified is https://ttraff.com/pify?keyword=possessivpronomen+%25C3%25BCbungen+a1+pdf. The document body appears to be obfuscated or corrupted, but the presence of many links, including to a redirector, strongly suggests a phishing or malicious redirection attempt. The ML classifier also flagged this PDF with high confidence.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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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=possessivpronomen+%25C3%25BCbungen+a1+pdf In PDF document text
- http://files.bearbugmedia.com/uploads/1/3/0/9/130969204/30b2558e.pdfIn PDF document text
- http://files.tourdetech.net/uploads/1/3/1/4/131437523/wurarijala.pdfIn PDF document text
- http://files.publicsportsbook.com/uploads/1/3/1/8/131857983/pezadupuzemut.pdfIn PDF document text
- http://files.mrsyoshida.com/uploads/1/3/0/7/130775320/nodokerab_vofusotulatutiv_xuvufesimuse.pdfIn PDF document text
- http://files.nickysawesomewebsite.com/uploads/1/3/1/6/131636692/1974110.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0433/5294/8901/files/38454799796.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6839/9524/files/butezedudoxadim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6332/0469/files/first_letter_of_each_word.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0071/6694/files/13787613134.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6678/5949/files/wivoxepog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9983/1966/files/mekitagojufujuxafim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7342/8888/files/important_current_affairs_of_2020_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1824/8601/files/16584902759.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4241/4493/files/14841397394.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5762/6792/files/10903029985.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7317/4693/files/ayurveda_quiz.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000052ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x52EE | 5504 bytes |
SHA-256: 38c24d62060c45b3a71031f6df8662a6b390497a4a6e6063a8063aa0088cf050 |
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font_01_sfnt_off0000655b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x655B | 11200 bytes |
SHA-256: 9354fe7c055a6b7613de7c6a52b9c89f88f193cd47341a68a445e6db5f3c9c5f |
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font_02_sfnt_off00008a40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A40 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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