MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a malicious redirector link disguised as a download for 'Lightroom keyboard shortcuts pdf'. This link points to ttraff.ru, which is known malicious infrastructure. The document also contains a large number of external PDF links, many hosted on Shopify, likely for SEO manipulation to improve search engine ranking for malicious content. The presence of a 'download button' heuristic further supports the lure. No scripts were extracted, but the primary attack vector is the malicious redirector.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=lightroom+keyboard+shortcuts+pdf In PDF document text
- http://files.friendsofrenacer.com/uploads/1/3/0/7/130739227/b554e01ab.pdfIn PDF document text
- http://files.mexpup.com/uploads/1/3/0/8/130815381/wugenafapon-denutepibijan.pdfIn PDF document text
- http://files.beckyjonesart.com/uploads/1/3/2/6/132695915/menipupa_vexinilowawode.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/1/0428/7945/1289/files/media_nutrient_agar_adalah.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2641/5779/files/python_dictionary_with_multiple_values.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/5171/8558/files/26411772187.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6463/1195/files/bufebakatu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1202/1657/files/46294752310.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4272/5275/files/intertherm_water_heater.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/74832969368.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6604/1244/files/60222038051.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6560/6301/files/hive_commands.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6482/8838/files/87899189988.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4872/9766/files/1983_honda_shadow.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_off00006eed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EED | 5784 bytes |
SHA-256: 35d5db24f70e5980b360107ed9661f384de7feac3a51f2cbba7ff55df9614fff |
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font_01_sfnt_off0000828e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x828E | 10420 bytes |
SHA-256: 6a84d3699e1320c08705c2c2e036f83a4b11d6ef7b1d5b50c853e9a0b2c29f34 |
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font_02_sfnt_off0000a65d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA65D | 16940 bytes |
SHA-256: e2ffbbc5bf6c0928b9f03c3b463746bfb576a8938676bcf21b024e35877a1a65 |
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