MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass external link farm, with many links pointing to benign Shopify-hosted PDFs. However, one critical heuristic firing indicates a direct link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=grass+brush+photoshop+cc+free'. The document body also contains this URL and a call-to-action phrase, suggesting the intent is to lure the user to click the malicious link, likely for further exploitation or phishing.
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=grass+brush+photoshop+cc+free In PDF document text
- http://files.laneycobb.com/uploads/1/3/1/4/131453902/2925299.pdfIn PDF document text
- http://files.gabriellacascio.com/uploads/1/3/1/3/131398509/nameduvixi.pdfIn PDF document text
- http://mamose.azabpublishers.com/uploads/1/3/1/6/131637113/midesupasipaw.pdfIn PDF document text
- http://files.johnphilliposborne.com/uploads/1/3/0/8/130874647/dutor.pdfIn PDF document text
- http://files.suearchibaldart.com/uploads/1/3/0/7/130776439/7871196.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/1/0440/0034/6270/files/sujezofemiwepex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8904/4383/files/zetesobokojoropenejunid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4065/2960/files/pogejukokozuloxezavuxef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1610/9736/files/74495333003.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6394/3067/files/45647955276.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3191/2857/files/gamawojeguxavomu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3786/7687/files/chill_lounge_music_blogspot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2141/8147/files/12076637618.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7078/2614/files/somelezexogupenoderepezi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9348/1885/files/99724681737.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2224/5273/files/definicion_de_aptitud_segun_autores.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8424/3351/files/32548005065.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8064/6807/files/62759521575.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_off00006332.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6332 | 5244 bytes |
SHA-256: 35c0c20cc26af0ff66e34c54689f9612c6c918934cd7b14ae7f7d0660ac077ab |
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font_01_sfnt_off000074ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74FF | 13952 bytes |
SHA-256: 3c4be0d5967009588dc8bc4a9d4102fb8117762fc9f845073f98578a4ac20570 |
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