MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with one pointing to a known malicious redirector. The document body, though partially garbled, includes text related to a university football schedule, suggesting a lure. The presence of a link farm and a critical heuristic firing for a malicious redirector strongly indicates a phishing or malware distribution attempt.
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=university+of+washington+football+schedule+2018
- http://joniz.lifeasabowhunter.com/uploads/1/3/2/7/132741615/wabivunaz-katomenojipigop-wuxoko.pdf
- http://files.gabeoppenheim.com/uploads/1/3/0/9/130969659/dusakesedova.pdf
- https://cdn.shopify.com/s/files/1/0431/3802/3581/files/rare_candy_pixelmon.pdf
- https://cdn.shopify.com/s/files/1/0437/5350/4917/files/21275530647.pdf
- https://cdn.shopify.com/s/files/1/0429/8083/5482/files/3245721107.pdf
- https://cdn.shopify.com/s/files/1/0434/4971/2806/files/24734240045.pdf
- https://cdn.shopify.com/s/files/1/0431/8461/9680/files/korufuxokusom.pdf
- https://cdn.shopify.com/s/files/1/0432/9573/5963/files/93278898945.pdf
- https://cdn.shopify.com/s/files/1/0433/7709/8902/files/52050861645.pdf
- https://cdn.shopify.com/s/files/1/0431/8298/1278/files/mukalapesemimulowipibut.pdf
- https://cdn.shopify.com/s/files/1/0432/6375/4404/files/37868222194.pdf
- https://cdn.shopify.com/s/files/1/0432/0342/8515/files/sufewimelus.pdf
- https://cdn.shopify.com/s/files/1/0430/7720/6178/files/plexiform_neurofibromas_in_nf1.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_off0000b7a3.bina34dcf93352945b71df9f6d5867c63d62ca9deb4b7277828c1780dd3cd5c51b1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7A3 | 6188 bytes |
font_01_sfnt_off0000ccbf.bin6d2d693ce26468c48bdb6ab4fcec172df25d26adaf7f80c4e1be8605973872b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCBF | 16348 bytes |
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