MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, but one critical link directs to a known malicious redirector. This suggests a link farm or SEO poisoning tactic to distribute malicious content. The ML classifier also strongly indicated maliciousness.
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.com/pify?keyword=aldol+condensation+notes+pdf
- http://files.robbinsnestcollectibles.com/uploads/1/3/1/3/131381066/5828639.pdf
- http://baxupako.springersofoz.com/uploads/1/3/1/3/131380600/wefawotefipokig.pdf
- http://files.waywaystore.com/uploads/1/3/0/7/130775017/lobesulavizuwupule.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/4950/0315/files/roxojiwiv.pdf
- https://cdn.shopify.com/s/files/1/0429/4311/9527/files/historia_de_la_contabilidad_gubernamental.pdf
- https://cdn.shopify.com/s/files/1/0434/8893/6102/files/10162304982.pdf
- https://cdn.shopify.com/s/files/1/0437/6916/8021/files/amine_functional_group.pdf
- https://cdn.shopify.com/s/files/1/0431/0741/8273/files/viwugadonuxawuwofuge.pdf
- https://cdn.shopify.com/s/files/1/0431/5742/2229/files/75620724427.pdf
- https://cdn.shopify.com/s/files/1/0434/9162/3074/files/javafx_change_background_color.pdf
- https://cdn.shopify.com/s/files/1/0430/7153/7301/files/norezulesixosipug.pdf
- https://cdn.shopify.com/s/files/1/0438/5210/3842/files/backward_design_lesson_plan.pdf
- https://cdn.shopify.com/s/files/1/0435/8415/9903/files/genie_garage_door_opener_troubleshooting.pdf
- https://cdn.shopify.com/s/files/1/0438/4145/4240/files/sojux.pdf
- https://cdn.shopify.com/s/files/1/0440/6919/1832/files/3183747691.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008745.bin619a24459c2e4edf85b1e4c357655d25d574c06c2bb466e04d2c66d18dcc73dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8745 | 5040 bytes |
font_01_sfnt_off0000987f.bin64099784472592b011e5fb6761368de0752302effc972c4313986a180ff4b361 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x987F | 10572 bytes |
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