MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, many of which are part of a link farm. One critical heuristic identified a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=how+to+castrate+a+pig+pdf', which is likely used to redirect users to malicious content. The presence of numerous benign-looking Shopify links alongside the malicious redirector suggests an attempt to obscure the malicious intent.
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.cc/pify?keyword=how+to+castrate+a+pig+pdf In PDF document text
- http://files.meyerbrothersletters.com/uploads/1/3/2/7/132740951/sarubosivikumorawuba.pdfIn PDF document text
- http://files.karaadditonphotography.com/uploads/1/3/1/4/131406610/3139614.pdfIn PDF document text
- http://berovopo.elementalstonetherapies.com/uploads/1/3/1/4/131407995/fanuwekapovora_dumanarop.pdfIn PDF document text
- http://files.theshak.com.au/uploads/1/3/2/6/132681308/2522670.pdfIn PDF document text
- http://files.r2wnt.com/uploads/1/3/2/6/132682883/6507232.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/1/0433/3902/2485/files/uakron_campus_map.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2819/3184/files/63435294987.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7057/8070/files/77872473331.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8665/2316/files/isc2_ccsp_study_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6205/9427/files/477710312.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4023/3880/files/biological_classification_questions_for_neet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5173/6488/files/suvesemobagesogefero.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7304/4634/files/vobamajifupe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0881/1427/files/81220975214.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7332/0613/files/aligarh_movement_in_urdu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3152/7575/files/jegufuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0167/5939/files/cezar_roberto_bitencourt_codigo_penal_comentado.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6108/4314/files/16134242678.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_off0000663c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x663C | 5344 bytes |
SHA-256: 0e5ebb72dc1a36cd7e69304778a7915826dfc9b7406f9dc15382402b7126cc10 |
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font_01_sfnt_off00007888.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7888 | 10208 bytes |
SHA-256: 053643aa16f9e651abdf476e6ffc6c4f44ff4d646478bdb4c7192e91529cc58f |
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