MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded URLs, with a critical heuristic firing indicating a link to known malicious redirector infrastructure at 'https://ttraff.com/pify?keyword=metformin+maximum+dose+in+pregnancy'. Another heuristic identified a large number of external PDF links, suggesting a link farm or SEO poisoning attempt. The ML classifier strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains the same redirector URL and a Shopify URL, reinforcing 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.com/pify?keyword=metformin+maximum+dose+in+pregnancy In PDF document text
- http://files.juliaalbain.com/uploads/1/3/2/6/132681513/4048436.pdfIn PDF document text
- http://vimir.hertzogfamilyeyecare.com/uploads/1/3/0/8/130814855/855131.pdfIn PDF document text
- http://xesiwu.dollargeneralpennylist.com/uploads/1/3/1/4/131406352/jejale_reputibub_narisikexafovin.pdfIn PDF document text
- http://files.nelsonrealm.com/uploads/1/3/1/6/131606087/2088962.pdfIn PDF document text
- http://files.midlandcountydashboard.org/uploads/1/3/1/4/131408741/narabumuponebe_tamelo_gonowe_xatifit.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/1/0432/5425/1670/files/38474984539.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8709/4179/files/mabanugixi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0452/4238/4545/files/issuu_download_online.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1206/3391/files/juxubuvamaserafoso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7122/5502/files/93020272123.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5453/8656/files/adobe_photoshop_free_softonic.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8863/2213/files/gobivaviseboredere.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4910/6073/files/95403712056.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0532/9064/files/wuxutun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5341/6601/files/beatles_string_quartet_sheet_music.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7015/2088/files/86967698862.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8023/6702/files/loruxediwesuvi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4890/2557/files/panchatantra_stories_in_kannada_free_download.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_off0000722b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x722B | 5616 bytes |
SHA-256: b4ac28cf9e08a72ac953687065c252b455b108fbe7265c4b1542372c7659b2eb |
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font_01_sfnt_off00008547.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8547 | 10320 bytes |
SHA-256: 5cb49f26dc59cf5670e0f4b6d9d48d70b010d80b20f067a378e78572ae55214e |
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