MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with the primary one redirecting to a known malicious URL. The document body, though heavily obfuscated, contains text suggesting a lure for a 'free download', aligning with the malicious redirector's purpose. The heuristic firings confirm the presence of malicious redirector links and a link farm, indicating a phishing or malware distribution 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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Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LUREDocument contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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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=bsc+magazine+pdf+free+download+2020 In PDF document text
- http://files.paragonlifecoaching.com/uploads/1/3/1/3/131379194/8535240.pdfIn PDF document text
- http://turog.upandovered.com/uploads/1/3/1/0/131069934/1164660.pdfIn PDF document text
- http://files.labelletraining.com/uploads/1/3/1/1/131164124/rugoxenanozofiw-ponapiseson.pdfIn PDF document text
- http://penusomoj.evelineverhulst.nl/uploads/1/3/1/4/131453540/9544758.pdfIn PDF document text
- http://files.tradertscraftworks.com/uploads/1/3/0/7/130775465/a8e895.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/1/0432/1627/3563/files/16563895487.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/rixiridujafogidubiba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7990/1085/files/nomudemokoposopud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5032/8486/files/psd_to_mac.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0346/9221/files/dekupuxovibupobun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9065/6924/files/37265883327.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9853/0202/files/package_air_conditioning_system_working.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3273/1038/files/52131145386.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4014/4534/files/50011829715.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8750/4294/files/sogobuporuzidonipekidevip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2902/0317/files/nolaxewavufepijogaluve.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3485/3021/files/wiwap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1467/4841/files/bisaya_story_with_picture.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1745/3211/files/vehicle_dynamics_control.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000094c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x94C3 | 5940 bytes |
SHA-256: 3c6aca0d457d0ec0a85e2c8db85d08de88e386a7585bdc2f1053c8de7cd1db3c |
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font_01_sfnt_off0000a904.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA904 | 11616 bytes |
SHA-256: fd26109bbc6f3de315b9c1555aa3c5e8a883b8f9f8f70849b804302d8e95d95f |
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