MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to potentially malicious redirectors or link farms. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically flags a URL leading to ttraff.cc, a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'Peningkatan kualitas sumber daya manusia pdf' and references wkhtmltopdf, suggesting a lure document. The presence of numerous Shopify-hosted PDF links, while some are benign, contributes to the overall link farm characteristic identified by PDF_SEO_LINK_FARM.
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=peningkatan+kualitas+sumber+daya+manusia+pdf In PDF document text
- http://files.anniesshineandsparkle.com/uploads/1/3/1/8/131856827/nalofa-lejubewedofo-ratevi.pdfIn PDF document text
- http://files.discerngod.com/uploads/1/3/2/7/132740480/nogegal-mexemis.pdfIn PDF document text
- http://rugit.smykkemageren.com/uploads/1/3/2/3/132302942/164d59e538.pdfIn PDF document text
- http://tomebejiz.jbcoachescorner.com/uploads/1/3/1/1/131163635/towowujuzuk_bapesubafagufo.pdfIn PDF document text
- http://files.hbscooters.com/uploads/1/3/2/8/132814305/tizubejowa_vadufebixoxajod_dukikexebibumen_nofamem.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/1/0451/1285/2632/files/psicologia_autoconhecimento.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8658/4733/files/63376772506.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wajafaliwufenosikem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1442/9608/files/libutaragerawuligupama.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0378/1015/files/muxijomoxaguxoros.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7595/2030/files/fitileje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6203/4589/files/letter_c_activities.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/liwukepurenugiweda.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8828/9694/files/52618795311.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3169/1421/files/59276049452.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2720/2205/files/wozivirapesorumewosamab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7124/2391/files/helping_verb_worksheets_7th_grade.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4718/1718/files/levedokam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vidabuvuwegorowomilamum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3600/0931/files/ammonium_dihydrogen_phosphate_msds.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_off000071e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71E4 | 5668 bytes |
SHA-256: dc15eca7c83a3768934ef68a774ce6ccc123b520000c0a2ec82bd0cbfc352069 |
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font_01_sfnt_off00008515.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8515 | 9936 bytes |
SHA-256: 3ae5696ccbd9239c25ddf95beb349380964aeec82d5ebec92c95d5b1719682d4 |
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