MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a prominent link that redirects to a malicious domain, disguised as a recruitment document. The heuristic firings indicate that the PDF is designed to redirect users to malicious infrastructure and contains a mass external PDF link farm. The document body also contains a URL that matches the malicious redirector.
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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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/wb?keyword=nabard%20assistant%20recruitment%202019%20pdf%20download In PDF document text
- http://files.rochonsandshall.com/uploads/1/3/1/0/131070294/3b84766.pdfIn PDF document text
- http://mexivo.hernarpchurch.com/uploads/1/3/0/7/130776208/vobopi.pdfIn PDF document text
- http://files.gregpicardandwendypicardgorham.com/uploads/1/3/1/4/131483201/80a29eaa6855.pdfIn PDF document text
- http://busataj.ltartsdesign.com/uploads/1/3/1/8/131856554/d337115576cf2.pdfIn PDF document text
- http://files.sincityimprovserial.com/uploads/1/3/2/6/132695839/jujibenedegoxo.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/1/0433/0687/7080/files/bofudajix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4755/9067/files/53758688518.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3882/5887/files/zupejiwixegegimodesosif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8361/9738/files/fitiki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1125/2132/files/gevofigupafojove.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7595/2030/files/49151276272.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8355/4202/files/east_bay_purchase_agreement_addendum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0028/2783/files/chewing_gum_series.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0145/4500/files/batman_killing_joke_comic.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5253/1869/files/bachna_ae_haseeno_song.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4386/2181/files/gigolatave.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5564/3809/files/dunalisizunalideginile.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_off00007447.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7447 | 5984 bytes |
SHA-256: 7b36545a453e7c89506fe958fc4094535faf22e630be57c71241f4c4acbfa395 |
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font_01_sfnt_off000088a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88A4 | 14500 bytes |
SHA-256: f02c515b2d243e48d9773046c6fa569bae83f157aacde3cfd95354a9e30cf9bb |
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