MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with the primary malicious link redirecting to a URL associated with known malicious infrastructure. The document body, though partially corrupted, contains text related to creating a job application letter, likely a lure to entice users to click the malicious link. The ML classifier strongly indicated maliciousness, and the PDF structure itself points to a link farm designed for SEO manipulation to distribute malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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=cara+membuat+surat+lamaran+kerja+pdf In PDF document text
- http://files.splitrocktrickle.com/uploads/1/3/0/7/130775825/58790668a15a.pdfIn PDF document text
- http://files.asiaup.org/uploads/1/3/0/8/130874658/feff7.pdfIn PDF document text
- http://pevazav.amalficoastreview.com/uploads/1/3/1/3/131381464/7592980.pdfIn PDF document text
- http://files.siamsacs.com/uploads/1/3/1/4/131408024/4799147.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/1/0427/9740/0223/files/38245962169.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5207/2086/files/40896164695.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9508/1625/files/83557791859.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5464/4894/files/74501880534.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8950/2110/files/air_fuel_ratio_of_diesel_engine.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0722/9597/files/read_the_adventures_of_sherlock_holmes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6627/8556/files/sasowemokefipejum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2358/8773/files/fisolotekok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4907/4336/files/biludimupamimajuzil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2961/1171/files/zunupelakunufil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4754/1146/files/soledapakekoxixutedo.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn 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_off0000d9b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9B2 | 6416 bytes |
SHA-256: 2a69545f8a9d104697b847a0f548493cbc920d2d91a2c508c9ca03512f8941e1 |
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font_01_sfnt_off0000e97c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE97C | 5372 bytes |
SHA-256: b2c9cafd881bf8673d4b342df00f612370eb4167815fe272c76c793bf4386354 |
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font_02_sfnt_off0000fba5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBA5 | 15008 bytes |
SHA-256: 47e07df08af29059b37c1e82054702fb42c609f626efe7fa82edc0f1f1d1fd25 |
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