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 pointing to a link farm infrastructure designed to redirect users. The primary redirector URL, https://ttraff.ru/pify?keyword=basic+granny+square+crochet+pattern+pdf+uk, is flagged as malicious. This suggests the document's purpose is to lure users through a seemingly innocuous topic (crochet patterns) to malicious sites. The ML classifier strongly supports the malicious nature of this PDF.
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.ru/pify?keyword=basic+granny+square+crochet+pattern+pdf+uk In PDF document text
- http://files.msdgloria.com/uploads/1/3/0/7/130775297/fefiwikenugefuw-jufejimolabepo-vezisup-rokazidonuv.pdfIn PDF document text
- http://files.inclusionatwork.net/uploads/1/3/1/0/131071043/f9811af4.pdfIn PDF document text
- http://files.surveyofps2.net/uploads/1/3/1/3/131380687/mamuv.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/1/0439/8209/4494/files/42032125361.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4950/8246/files/88946681892.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2725/9811/files/89719839728.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3880/2073/files/61386555496.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8752/7078/files/82963051371.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9378/4728/files/37158578000.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2656/9633/files/nuzegiripevugavodim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fokadexowigexavutezirero.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0569/7440/files/linuxafosuneboma.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1392/3228/files/guxunotorilavofasot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2832/4257/files/sazirukumalagiranusi.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000063e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63E2 | 5608 bytes |
SHA-256: 854a6db61172ee1b4cbd0c32a5d18085b351794dce0213bd51edbc0c2ed57568 |
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font_01_sfnt_off000076e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76E8 | 9996 bytes |
SHA-256: 92bf6febd07a8f605e8e2c3c37e8efd87d4e6ba67c8a4d1e7a0913a387c5622c |
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font_02_sfnt_off0000994a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x994A | 16424 bytes |
SHA-256: 43474d2e3714e234d4e7ba65db87a53b75f9eccd8234adbab0f0d2658e2d5559 |
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font_03_sfnt_off0000af75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF75 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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