MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF was flagged by multiple critical heuristics for linking to known malicious redirector infrastructure and for containing a large number of external PDF links, suggesting a link farm. The ML classifier also strongly indicated maliciousness. The embedded URL points to a redirector, which is a common technique for phishing or malware delivery. While no scripts were extracted, the PDF structure and URL analysis strongly suggest a malicious intent to redirect users.
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=tecnica+de+asepsia+y+antisepsia+quirurgica+pdf In PDF document text
- http://files.ladyvetanimalhospital.com/uploads/1/3/1/1/131164260/5b8baf6b4d03d5.pdfIn PDF document text
- http://files.festival-calendar.com/uploads/1/3/0/8/130874380/840b51.pdfIn PDF document text
- http://files.royalmontacademy.org/uploads/1/3/1/3/131380107/a7885f41a98c6.pdfIn PDF document text
- http://files.maakravmaga.com/uploads/1/3/1/4/131483719/bc9610836f45192.pdfIn PDF document text
- http://files.susanvanwagoner.com/uploads/1/3/1/0/131070452/8318724.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/1/0431/2753/7828/files/wadokotivekapibajagetem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6676/1120/files/xujidebejakaxe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5370/2550/files/36394515569.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4356/1384/files/82741711351.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/3831/9527/files/zuwudekixumiminapiguf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8957/6601/files/vepaxobedubamidiximeku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1057/2967/files/55643107697.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3519/7602/files/pofijepilerasememuri.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5171/2666/files/72516953503.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2589/0469/files/25573351252.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7264/3491/files/lodash_vs_ramda.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4228/3432/files/81624827597.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7634/6266/files/mtd_lawn_tractor.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_off00007a86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A86 | 5240 bytes |
SHA-256: 057d940c57ba713bba2aa555aa237d3b8df55a6cb234f3dd09993ba32b56eaff |
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font_01_sfnt_off00008c60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C60 | 11452 bytes |
SHA-256: 48b6bd3b539edcaffc0bf8945f052b7d1eb75c420e1e636863301b02484a53b4 |
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font_02_sfnt_off0000b188.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB188 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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