MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to ttraff.ru. Additionally, it exhibits characteristics of a PDF link farm, with numerous links to external PDFs, many hosted on Shopify. The presence of a 'download button' lure further supports a malicious intent to redirect users. No scripts were extracted, but the combination of the redirector and link farm heuristics strongly indicates a phishing or scam attempt.
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=x%25C3%25B3a+trang+file+pdf+online In PDF document text
- http://files.tikismemorialblog.com/uploads/1/3/1/0/131071067/4379e2.pdfIn PDF document text
- http://files.popova-fashion.com/uploads/1/3/2/6/132682230/5159581.pdfIn PDF document text
- http://files.drbriancasteels.com/uploads/1/3/1/8/131872178/3259337.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/1/0428/8030/3270/files/23710102029.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0497/6548/files/stardew_valley_wild_plum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4285/6344/files/56585433890.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wadilizesiwegokadokepub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6268/0984/files/zujokusanorekodufik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9672/7957/files/43174698694.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0484/5465/files/70199709200.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5756/9189/files/duwugixes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3759/7607/files/75682654918.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9654/7230/files/kuzodubezorawisevo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7757/3539/files/8804681797.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2280/3363/files/23694427668.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_off0000543d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x543D | 5144 bytes |
SHA-256: ce17e292465afb1e557e317a73d9d9f6bead0a1bf425a6593d61a5a53a62e4c4 |
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font_01_sfnt_off00006591.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6591 | 10424 bytes |
SHA-256: d3c9a07828e588ae73f9aecb41760bb87b632780f4f50703832ad62614b7b95f |
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font_02_sfnt_off0000891f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x891F | 16204 bytes |
SHA-256: e93acd332f5893643511f4cefd38969ad5c744ad1b08842a788b6be7d277dd15 |
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