MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though partially corrupted, contains the text 'Conjunction worksheet for class 5' and the malicious URL, suggesting a lure to trick users into clicking the malicious link. The ML classifier strongly indicated maliciousness, and the PDF_SEO_LINK_FARM heuristic confirms the presence of a link farm, often used for SEO poisoning or distributing malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=conjunction+worksheet+for+class+5
- http://files.walleysbookreviews.com/uploads/1/3/0/7/130740551/topumogiv-lafimedoburaz.pdf
- http://files.hloc.org/uploads/1/3/1/6/131608016/penemutibiji.pdf
- http://xipid.oxnardwirelessrepairs.com/uploads/1/3/1/4/131453832/vujiwupedaj-niradu-nobamodogas-vegepevalale.pdf
- https://cdn.shopify.com/s/files/1/0436/9081/9739/files/24447870517.pdf
- https://cdn.shopify.com/s/files/1/0431/3602/4737/files/loha_movie_full_hd.pdf
- https://cdn.shopify.com/s/files/1/0430/4610/9345/files/63561620902.pdf
- https://cdn.shopify.com/s/files/1/0431/5152/4008/files/72830791038.pdf
- https://cdn.shopify.com/s/files/1/0434/0675/3948/files/vipigefejiwebesudimifa.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/93336639176.pdf
- https://cdn.shopify.com/s/files/1/0436/3167/3504/files/bose_soundlink_colour_manual.pdf
- https://cdn.shopify.com/s/files/1/0430/2172/9955/files/ritudixaferoboridanobeved.pdf
- https://cdn.shopify.com/s/files/1/0435/0191/2224/files/35237412714.pdf
- https://cdn.shopify.com/s/files/1/0432/7342/0965/files/alejandro_magno_biografa.pdf
- https://cdn.shopify.com/s/files/1/0433/7133/1742/files/nortel_phone_manual.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005ed6.bina376a57e46ad327fa7cd04a329cafaf1cbd312b26834dbc344bfe28d52d1c63a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5ED6 | 5232 bytes |
font_01_sfnt_off000070b9.bin89285eb0ba4979ea5919bcde509a72848838204940ffdaf239ca561fca8a614e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70B9 | 10004 bytes |
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