MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains multiple embedded links, with a primary link directing users to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'free apache openoffice for android', suggesting a lure to download potentially unwanted or malicious software. The ML classifier strongly indicated maliciousness, and the presence of a malicious redirector URL supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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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SEO-redirector lure link (multi-word utm_term) low PDF_SEO_UTM_REDIRECTOR_LINKPDF contains a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the search-keyword gateway used by the 'free document download' phishing family. Surfaced as an IOC; on its own this is a low-confidence signal.
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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=free++apache+openoffice+for+android In PDF document text
- http://files.annepauley.com/uploads/1/3/1/4/131453536/34cdfebc96970.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- http://www.opentle.orgIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0115/9585/files/xabosikatijiwige.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1820/6888/files/zajapaveba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1008/8357/files/90193330033.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1444/6489/files/antigone_jean_anouilh_francais.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8924/7894/files/64008929894.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1965/5579/files/jeruxatibukimubijodef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3876/9303/files/ohh_kill_em_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/3529/9738/files/temuzi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5469/3537/files/bio_energy_engineering.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1697/7559/files/building_construction_book_sushil_kumar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/0496/6565/files/vabijinexa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5497/9477/files/72594649361.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
- http://www.gnu.org/licenses/lgpl.htmlRegularDanhHongIn PDF document text
- http://www.geocities.com/dnhhngIn PDF document text
- http://www.gnu.org/licenses/gpl.htmlIn PDF document text
Extracted artifacts 7
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005ea6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EA6 | 5004 bytes |
SHA-256: 12b611b0b4f58368cde3337404c9ad2f2e42aa57c45e3b0c76aa36b1a3759ffe |
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font_01_sfnt_off0000704a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x704A | 4988 bytes |
SHA-256: 18986791eb3ae7208de73530aa8ce60dfae8e86e23deb30705c58ae6c7e4a257 |
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font_02_sfnt_off00008132.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8132 | 2656 bytes |
SHA-256: dbaab8dcf32bfe64cb008f34eb54f5316f62236e8dffe3de49b44225404383a5 |
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font_03_sfnt_off00008c30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C30 | 5032 bytes |
SHA-256: a47959a8a0c44ddf6b8e998b6dd727bd4d99d6980137c168d359ab97f64ba13a |
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font_04_sfnt_off00009b98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B98 | 6640 bytes |
SHA-256: 2da83060ad210a9a1743b04a22b2cc5ebb14ba7af64fbaa5f25da2d26a1b3d84 |
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font_05_sfnt_off0000ad36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD36 | 11460 bytes |
SHA-256: 0e9ebf2328f07ed2415b1420aad25cdb49259f5d7ed637f6b9305b8952328f47 |
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font_06_sfnt_off0000d3fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3FB | 2832 bytes |
SHA-256: 9a3e7af0855b0971ed4e960d1afbabbea6ba84bf45843a09ca44cec8f7261173 |
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