MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, many of which point to a link farm hosted on cdn.shopify.com, designed to appear as legitimate downloads. One critical heuristic identified a link to a known malicious redirector at ttraff.com, which is likely the ultimate destination for malicious payloads. 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.com/pify?keyword=mtg+biology+pdf+free+download In PDF document text
- http://files.ibisregalia77.com/uploads/1/3/2/6/132680915/sijupakoji-mugopove-sukudixonol.pdfIn PDF document text
- http://juzuzujop.somedailyjoe.com/uploads/1/3/0/7/130738714/3691015.pdfIn PDF document text
- http://files.solivitarvclub.com/uploads/1/3/0/7/130738681/wixovamenuvazot_gubejowafofab_kizox_fumuberira.pdfIn PDF document text
- http://vazot.williampeskett.com/uploads/1/3/1/4/131437792/7024715.pdfIn PDF document text
- http://files.crmodelrepair.com/uploads/1/3/1/4/131406701/bekotobifomulezojoni.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/1/0433/5042/5753/files/vesevoton.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/3196/2535/files/68540493891.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0892/5602/files/38322920865.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4537/0518/files/arresting_dress.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8249/7701/files/adobe_flash_cs6_torrent.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1588/9305/files/17682508989.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9056/6556/files/69723615260.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3444/2908/files/negelowuminadijemede.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3789/1482/files/one_in_a_million_gnr.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4615/0039/files/tunagufurunivofo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/0414/5309/files/invention_of_printing_press.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0692/6741/files/64370957388.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8283/3308/files/56664018552.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://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
- http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000047f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x47F3 | 5160 bytes |
SHA-256: 8df8ac7dfad2127dd0cf1451f8765ed5cc04aa4b2ea2f99bd3d93cc62bdd7c93 |
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font_01_sfnt_off000059a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x59A4 | 4288 bytes |
SHA-256: 6ef1527eb7da43b2f6436ead62110a10d51303d382445dbd23a9b6076f8172f5 |
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font_02_sfnt_off00006767.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6767 | 9048 bytes |
SHA-256: 899a90f37ce1209ec877b521fae87dac8fed9751e36843ada3c124d4b474ef0b |
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font_03_sfnt_off00008641.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8641 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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