MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious redirector links and an SEO link farm, designed to lure users to click on a link. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector found in the heuristics. This suggests the primary purpose is to direct users to malicious infrastructure, likely for phishing or malware distribution.
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) or Microsoft license-boilerplate 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.cc/pify?keyword=cfa+level+1+pdf+ebook+download In PDF document text
- http://files.artconist.com/uploads/1/3/1/4/131437307/f210bfd2dcc1.pdfIn PDF document text
- http://files.egamposol.org/uploads/1/3/0/7/130775856/a1040f6be24b364.pdfIn PDF document text
- http://files.teamempoweringtogether.com/uploads/1/3/2/3/132303229/3712170.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0432/1725/6603/files/jodedenopama.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5013/9801/files/98350957891.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9542/5191/files/6801429017.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9143/5422/files/59771881901.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xokuwunojuvilil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1573/9304/files/ssh_into_virtualbox_mac.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4929/5776/files/16657230177.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8155/6375/files/febit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6245/1611/files/zezakisafufukufufaza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5131/0488/files/31504486739.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5284/3676/files/dean_martin_roast_cast.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4234/8949/files/4783824712.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008aa5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8AA5 | 4852 bytes |
SHA-256: 00dceb525ca6037ada16235530af9f336034bba33ce5173ad7f5320772ab1a25 |
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font_01_sfnt_off00009b53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B53 | 19436 bytes |
SHA-256: 717db7f580636f795c27d107e53dd885f4c236ca0f44f763f5377b5d325512f0 |
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font_02_sfnt_off0000d292.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD292 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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