MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document exhibits characteristics of a link farm, embedding a large number of external links, many of which lead to a redirector service. The primary malicious link identified is https://ttraff.cc/pify?keyword=activity+book+for+couples+pdf, which likely serves as a gateway to further malicious content. The ML classifier strongly indicated maliciousness, supporting the heuristic findings of a malicious redirector and link farm.
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=activity+book+for+couples+pdf In PDF document text
- http://files.chicagomovietours.com/uploads/1/3/1/8/131871902/xesowonekari_pedozurik_nexikivulosiku.pdfIn PDF document text
- http://fixapek.southshoredanceacademy.com/uploads/1/3/0/9/130969723/jorez.pdfIn PDF document text
- http://files.saragayart.com/uploads/1/3/1/6/131607027/bc680fedb42810.pdfIn PDF document text
- http://rizid.virginiafilippousi.com/uploads/1/3/0/7/130740596/2619697.pdfIn PDF document text
- http://sibor.coastalvapers.com/uploads/1/3/2/6/132695278/mupojel.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/1/0433/2303/1720/files/3216814499.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6015/7855/files/mudisidujasijop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9010/8833/files/92952859546.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0028/2783/files/3._5_spell_compendium.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3128/1312/files/rolaxapodireto.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4297/1553/files/vomifosugigizugimejomin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7674/7413/files/somusaxokedotodezut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0553/4620/files/57525692727.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2849/5001/files/sims_3_wii.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1538/6774/files/87999464046.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7870/4536/files/53959737965.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000067b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67B7 | 5292 bytes |
SHA-256: f4339c6a5aadffb05ce4a0fe6e02eba438855aaaea631ef002a2929932696b38 |
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font_01_sfnt_off000079dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79DD | 10704 bytes |
SHA-256: 5a1dc8ac36dfa32124d083fb375e130eabe603edb1d1e34e99765f74aaa6643b |
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font_02_sfnt_off00009e55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E55 | 16692 bytes |
SHA-256: ad8166871363f334e7d2f00e1c2ebc632478ef7d431cf4623f0b480e44802e8f |
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