MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.ru/wb?keyword=programming%20python%20powerful%20object-oriented%20programming%20pdf%20github'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, including one to 'https://cdn.shopify.com/s/files/1/0432/8249/7701/files/bennett_mechanical_comprehension_test.pdf'. The document body, though heavily obfuscated, contains these URLs, suggesting a lure to download or access external content which likely leads to malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.ru/wb?keyword=programming%20python%20powerful%20object-oriented%20programming%20pdf%20github In PDF document text
- http://tofema.mccormickqwik.com/uploads/1/3/0/8/130814174/birige_lojiparorozafo_rufigom.pdfIn PDF document text
- http://files.topstitchpro.com/uploads/1/3/1/3/131379894/37d1241e87b82.pdfIn PDF document text
- http://files.billingspattern.com/uploads/1/3/1/3/131381675/pisusiv.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8249/7701/files/bennett_mechanical_comprehension_test.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2052/5476/files/10622672989.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0595/0626/files/maxafizaroburefexevekepiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0811/4340/files/83135345834.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8144/0168/files/lojimuvuxokobe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4164/3928/files/15461348147.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0507/4838/files/c_length_of_array.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9964/4314/files/mupube.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9755/5108/files/audi_a3_price_list.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5913/5132/files/ziwenudisikexafawiwog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1185/0918/files/ximewoxuduluruwored.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2177/7570/files/13535314543.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_off000069d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69D6 | 5832 bytes |
SHA-256: 71c8282a145ffa379de4d78a6837627b936494be37155eabd486619c9f22c720 |
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font_01_sfnt_off00007d92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D92 | 10904 bytes |
SHA-256: 596754f7f0cdd4a62fad5cc72fa96a5f46419518844f5abd6441c17e9b90002e |
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